List of worlds/Preboot

Major worlds

This section includes Earth, the home planets of all of the Legionnaires, and other locations which appeared frequently.

• Bgztl - home planet of Legionnaire Phantom Girl. All inhabitants have the power to turn intangible while not in their native dimension.
• Bismoll - home planet of Legionnaire Matter-Eater Lad. All inhabitants have the power to digest nearly all forms of matter.
• Braal - home planet of Legionnaire Cosmic Boy. All inhabitants have magnetic powers.
• Colu - home planet of Legionnaire Brainiac 5. All inhabitants have 8th-Level intelligence, higher than the norm.
• Daxam - home planet of Legionnaire Mon-El. All inhabitants attain Kryptonian-level powers in the presence of a yellow sun.
• Dryad - destroyed, formerly the home planet of Blok and other members of the League of Super-Assassins. Inhabitants generally have no special powers. Also known as Korlon.
• Durla - home planet of Legionnaire Chameleon Boy. All inhabitants have the ability to change shape.
• Earth - site of city of Metropolis, in which the Legion HQ (among other things) resides. Home planet of Legionnaires Sun Boy, Wildfire. Inhabitants generally have no special powers. Mostly harmless.
• Imsk - home planet of Legionnaire Shrinking Violet. All inhabitants have the power to shrink.
• Khundia - home world of the Khund Empire
• Krypton - home planet of Legionnaires Superboy and Supergirl. Destroyed in the mid-20th century. All inhabitants have super-powers in the presence of a yellow sun.
• Lallor - home planet of the Heroes of Lallor. Inhabitants generally have no special powers.
• Luna - natural satellite of Earth
• Naltor - home planet of Legionnaire Dream Girl. All inhabitants have some form of precognition powers.
• Orando - home planet of Legionnaire Princess Projectra. Inhabitants generally have no special powers.
• Phlon - home planet of Legionnaire Chemical King. Inhabitants generally have no special powers.
• Rimbor - home planet of Legionnaire Ultra Boy. Inhabitants generally have no special powers.
• Shanghalla - cemetery planet for those who died heroic deaths
• Sklar - home planet of the Sklarian Raiders
• Starhaven - home planet of Legionnaire Dawnstar. Inhabitants have fully functional feathered wings, and can also travel in space without the need of a spacesuit or ship.
• Talok VIII - home planet of Legionnaire Shadow Lass.
• Takron-Galtos - main prison planet in the United Planets
• Tharr - home planet of Legionnaire Polar Boy. All inhabitants have the ability to project cold, typically in the form of ice or snow.
• Titan - a moon of Saturn, home planet of Legionnaire Saturn Girl. All inhabitants have telepathic powers.
• Trom - home planet of Legionnaire Element Lad. Entire population slain. Inhabitants had the power to transmute elements.
• Ventura - also known as the Gambler's Planet
• Weber's World - artificial world used by the United Planets
• Winath - home planet of Legionnaires Lightning Lad and Light Lass. Inhabitants generally have no special powers.
• Xanthu - home planet of Legionnaire Star Boy. Inhabitants generally have no special powers.
• Zerox - formerly the Gemworld, later the home planet of Mordru
• Zuun - home planet of Legionnaire Timber Wolf. Inhabitants generally have no special powers.

Other Planets Visited

This section includes all other planets, moons, and star systems which made an appearance, and those worlds where an inhabitant or other artifact has made an appearance. The listed issue is the first appearance of that world; if no issue is listed, see the planet's own entry for further information.

• Altair - a world in the Altair star system whose inhabitants resemble pyramids (Adventure Comics #308)
• Althar - a world that has "Liquid Money" stored in the Space Bank (Adventure Comics #309)
• Amadus - home planet of Blockade Boy (Adventure Comics #344)
• Angtu - home planet of Mano (Adventure Comics #353)
• Arctoraan - home planet of Ambassador Jeryl (Superboy and the Legion of Super-Heroes #249)
• Asteroid X52 - location where Timber Wolf was nearly killed before he was "rescued" by Tyr (Superboy (v1) #179)
• Avalon - a world similar to Orando where Mordru once set up base while regaining his power (LSH v2 #276)
• Baaldur - home planet of Glorith (Adventure Comics #338)
• Barak - a world that has "Living Money" stored in the Space Bank (Adventure Comics #309)
• Brogg - a world of strange monsters (Adventure Comics #305)
• Brok - home planet of Zaryan the Conqueror (Adventure Comics #304)
• Canopus - a world in the Canopus star system whose inhabitants look like ants (Adventure Comics #308)
• Corvan IV - 4th world in the Corvan system, a frontier world which at one point had the Fatal Five as its ambassadors (Superboy and the Legion of Super-Heroes #247)
• Demros II - 2nd world in the Demros system, world where Dream Girl inaccurately foresaw the death of its president (Superboy (v1) #220)
• Doll World - a world where the inhabitants are small (Adventure Comics #310)
• Ekron - home planet of the Emerald Eye (Adventure Comics #353)
• Femnaz - home planet of Queen Azura, who hypnotized the female Legionnaires into turning against the male Legionnaires
• Ferno - home of a berserk lead monster (Adventure Comics #301)
• Geeqou - home planet of Apollo of the Devil's Dozen (Adventure Comics #350)
• Graxl - planet whose star was replaced by Brande and the Legion (Superboy and the Legion of Super-Heroes #237)
• Grxyor - home planet of Antennae Boy. Inhabitants have antennae and giant ears (Adventure Comics #305)
• Grykk - home of a giant; buildings look like they are of Russian design (Adventure Comics #301)
• Hrynak - planet where plants grow into living animals (Adventure Comics #311)
• Htrae - the Bizarro World
• Hydra World - a world in which the inhabitants have three heads (Adventure Comics #308)
• Inshar - a world of giant flowers (Adventure Comics #309)
• Ikros - home planet of Nam'Lor, whose hyper-aura caused one of Duo Damsel's bodies to turn evil (Action Comics #380)
• Janus - home planet of Double-Header (Adventure Comics #323)
• Jupiter - 5th planet of the Sol System, home planet of Vibrex
• Kar Zagas - planetoid where the Emerald Empress tried to recruit a criminal army (Superboy (v1) #215)
• Kathoon - world of perpetual night, home planet of Night Girl
• Klorra - a world of giants (Superboy (v1) #214)
• Korbal - home of the Lightning Beasts
• Korr - planet which contains Sky City, holder of valuable comet jewels (Adventure Comics #309)
• Lahum - world where the Legion finds themselves between a dictator bent on conquering other worlds and the Dark Circle
• Lost World - an ancient planet capable of traveling through space by means of an enormous rocket engine (Adventure Comics #314)
• Lumbak - (Adventure Comics #301)
• Lupra - home planet of Color Kid (Adventure Comics #342)
• Lurna - home of Kryptonian flame-beasts (apparently transported there from Rokyn) (Adventure Comics #302)
• Manna-5 - agricultural world where ERG-1 sacrificed himself
• Mardru - home planet of Chlorophyll Kid (Adventure Comics #306)
• Mars - 4th planet of the Sol System, site of the wedding of Bouncing Boy and Duo Damsel
• Mercury - 1st planet in the Sol System, home of disembodied creatures
• Mernl - home planet of the Trylop Council, which attempted to warn the Legion that someone would die fighting Zaryan the Conqueror (Adventure Comics #304)
• Minerstown - home planet of Bounty the bounty hunter (Superboy and the Legion of Super-Heroes #234)
• Monster World - a planet inhabited by dangerous beasts used by the Jungle Master (Adventure Comics #309)
• Mordan - planet about to be destroyed whose inhabitants were evacuated by the Legion while fighting the Fatal Five (Superboy and the Legion of Super-Heroes #231)
• Murgador - planet saved by the Legion from the tyranny of the planet Thargg (Superboy (v1) #220)
• Murra - home planet of alien spies who tried to join and infiltrate the Legion
• Myar - the Alchemists' Planet; home world of Nemesis Kid (Adventure Comics #346)
• Nadir - other-dimensional world whose ruler pitted the Legion against the Wanderers
• Nyrvinia - world whose warriors kidnapped Jon Ross, son of the adult Pete Ross in the 20th century (DC Comics Presents #13)
• Oomar - home of the addictive lotus fruit (Action Comics #378)
• Oranz - a world illuminated by cold light globes (Adventure Comics #307)
• Pasnic - world where the Legion prevented a nuclear war between two opposing powers
• Pretzor - home planet of Command Kid, notable for its Taboo Island (Adventure Comics #328)
• Protean Planet - world inhabited by sentient protoplasmic shapeshifters
• Puppet Planetoid - place where extra-dimensional giants left their toys
• Quarantine World - medical planet where those with strange diseases go to get cured
• Rambat - home of the Brain Globes (Adventure Comics #301)
• Remor - world where Sden tried to trick the Legion into finding an artifact (Superboy (v1) #230)
• Seeris - world whose inhabitants, the Seerons, were protected by the Legion from invasion (Adventure Comics #379)
• Shwar - home planet of Stone Boy (Adventure Comics #306)
• Simballi - home planet of Plant Lad (Adventure Comics #344); a jungle planet on which Otto Orion hunted the Legionnaires (Adventure Comics #358)
• Siria - home of the phantom beast (Adventure Comics #308)
• Skor - a planet of advanced science, where the nearly-dead can be revived (Adventure Comics #312)
• Somahtur - home planet of Infectious Lass. Inhabitants are carriers of a wide variety of diseases that do not affect them, and are able to direct individual diseases to others (Superboy (v1) #201)
• Superboy Planet - an artificial world originally constructed in Superboy's honor by super-heroes from many worlds (Adventure Comics #267)
• Taltar - matriarchal world whose ruler increases the powers of the female Legionnaires in an attempt to turn them against the males (Adventure Comics #368)
• Talus - asteroid where Uli Algor tried to destroy the Legion (Action Comics #386)
• Tartarus - home planet of Prince Evillo (Adventure Comics #350)
• Thanagar - home planet of the famed Hawk Police in the 20th century (Superboy (v1) #217)
• Thanl - planet where the Legion of Super-Pets receives acclaim (Adventure Comics #368)
• Thargg - planet diverted from terrorizing the planet Murgador by the Legion (Superboy (v1) #220)
• Thaun - home planet of scientists who impersonated the Luck Lords (Adventure Comics #343)
• Thieves Planet - a notorious hideout for criminals from all over the galaxy (Adventure Comics #308)
• Thoron - in Earth-2's universe, home planet of Halk Kar (Earth-2 equivalent of Mon-El) (Superman (v1) #80)
• Throon - planet where the Legion of Substitute Heroes rescued the Legion (Adventure Comics #319)
• Touston - home planet of Calamity King (Adventure Comics #342)
• Trevenon - home world of Sden (Superboy (v1) #230)
• Umrax - home of the United Planets' greatest treasures; gaseous atmosphere renders anyone unconscious (Adventure Comics #303)
• Vaalor - home planet of Nimbok, who is interred on Shanghalla (Adventure Comics #341)
• Vannar - home planet of Sun Woman, a super-powered tyrant (Adventure Comics #315)
• Vega System/Preboot#Pre-Crisis - home system of the Living Top
• Venegar - home planet of the Emerald Empress (Adventure Comics #353)
• Vruun - a world which attempted to colonize Earth millions of years ago, created the city of Atlantis
• Vuruna - an ocean world (Adventure Comics #307)
• Wondil IX - 9th planet of the Wondil system, colony world whose colonists included Bouncing Boy and Duo Damsel ((Superboy and the Legion of Super-Heroes #257))
• Xalla - planet where a time-mirror may be found (Adventure Comics #311)
• Xandu - home of the Dazzle Gem (Adventure Comics #301)
• Xenn - a planet that was evacuated by the Legion (Adventure Comics #318)
• Xolnar - a planet that has currency in the Space Bank; home planet of Rainbow Girl (Adventure Comics #309)
• Xorma - home planet of Immune (Superboy and the Legion of Super-Heroes #231)
• Zentor - home planet of Questar (Superboy (v1) #222)
• Zyzan - home planet of aliens who tried to steal Earth's minerals after impersonating the Legion (Adventure Comics #311)

Unnamed Planets

• Unnamed ADV305A - location of the element fluvium (Adventure Comics #305)
• Unnamed ADV306A - home planet of Tree Men who tried to invade Earth (Adventure Comics #306)
• Unnamed ADV307A - an uninhabited world of giant statues (Adventure Comics #307)
• Unnamed ADV312A - a planet in galactic sector AB-213 ("at the farthest end of the galaxy") where its temporarily deceased inhabitants are revived by exposure to a blue sun (Adventure Comics #312)
• Unnamed ADV312B - the planet of the fabled Taroc beast, which dies and comes back to life (Adventure Comics #312)
• Unnamed ADV313A, ADV313B - two planets that were going to collide if not for the intervention of Superboy and Mon-El (Adventure Comics #313)
• Unnamed ADV313C - asteroid used by Satan Girl to escape from Supergirl (Adventure Comics #313)
• Unnamed ADV313D - a planet populated by intelligent and friendly creatures that bounce (Adventure Comics #313)

Planets Mentioned But Not Seen

• Aarok - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)
• Brocz - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)
• Kando - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)
• Nobla - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)
• Rokyn - planet on which the Kryptonian bottle city of Kandor was enlarged (Adventure Comics #356)
• Venus - 2nd planet of the Sol System
• Yar - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)
• Zanno - world listed on the interplanetary clock at Legion Headquarters (Adventure Comics #312)

Other Locations in Space

• 5th Dimension - home of Mxyzptlk V and Mxyzptlk 5, where all residents are imp-like beings who control magic (Adventure Comics #310)
• 10th Dimension - pathway by which the Legion escorted a team of Dominators en route to peace talks (Adventure Comics #361)
• Dominion - portion of the galaxy controlled by the Dominators
• End of Time - location of the Time Trapper's citadel
• Galaxy 15702 - first galaxy known by the United Planets to be destroyed by the Sun-Eater (Adventure Comics #352)
• Interplanetary Post Office (Adventure Comics #312)
• Mount Rushmore of Space - a corridor in an asteroid field flanked by asteroids carved into the heads of famous people of the entire universe (Adventure Comics #310)
• Phantom Zone
• Rox-Url galaxy - (Adventure Comics #309)
• Space Sector Z-4437-3N - location of a false distress signal (Adventure Comics #311)

Unsorted worlds

• Aktar? Adv 323
• Arbro
• Garf-Og? Adv 323
• Mrynah
• Rainy Asteroid
• Rorbis
• Staryl
• Toonar
• Vor