Interstellar travel is a common feature of fiction such as science fiction and fantasy.
Between the Strokes of Night: altered metabolism
Murasaki: antimatter drives
A Deepness in the Sky, Footfall, Protector, Tau Zero: Bussard ramjet
The Forever War: collapsars
Revelation Space: Conjoiner drive
Andymon, The Songs of Distant Earth: Embryo space colonization
Strain: Strategic Armored Infantry: Time dilation
Ender's Game series: Time Dilation
The Worthing series: Time Dilation, cryogenic freezing and memory transfer
The Big Everything: Stellarator, Time Dilation
Ansible
Animorphs (Zero Space)
Battlestar (reimagining)
FTL drive (Battlestar Galactica)
Kearny-Fuchida jump drive (BattleTech)
Farscape: wormhole
FTL engine (Eureka)
FTL:2448 by Tri Tac Games
Hyperdrive
Hyperspace
Inertialess drive
Infinite Improbability Drive
Interstellar: wormhole
Interstellar teleporter
Jump drive
Jumpgate
Mass Effect Relay
Macross Space Fold
Stargate (device)
The Skylark of Space: warp drive
Starburst (Farscape)
Slipstream (science fiction)
Skip drive
TARDIS (Doctor Who)
Interdimensional Drive (Earth Final Conflict)
Ultrawave
Warp drive
Kearny-Fuchida Drive (BattleTech/MechWarrior)
Warp drive (Star Trek)
Slipstream (Star Trek)
Subspace (Star Trek)
Stargate
Warp points (Space Empires)
Commonwealth Saga features interstellar travel by humans and aliens, at speeds both faster and slower than light
Slipstream (Halo)
Spore
Slipstream (Doctor Who)
Slipstream (Andromeda)
Interstellar travel in fiction Wikipedia (Text) CC BY-SA