I thought this thread read "time traveling" at first and was like uhhhhh I have no idea

Arcade Fire - Born on a Train (Magnetic Fields cover)
Arcade Fire - Keep the Car Running
Arcade Fire - The Suburbs
Against Me! - Americans Abroad
Andrew Bird - Way Out West
Avalanche City - Drive On
Bright Eyes - Another Travelin' Song
Bright Eyes - June on the West Coast
Death Cab for Cutie - A Movie Script Ending
Death Cab for Cutie - Passenger Seat
Death Cab for Cutie - Title and Registration (this is my ultimate driving/road trip/travel song)
fun. - Take Your Time (Coming Home)
Interpol - Next Exit
Interpol - The Heinrich Maneuver
John Mayer - Why Georgia (sorry not sorry)
Johnathan Rice - We're All Stuck Out in the Desert
Mumford & Sons - Hopeless Wanderer
Peter, Bjorn & John - Amsterdam
Peter, Bjorn & John - Paris, 2004
Red Hot Chili Peppers - Road Trippin'
The Cinnamon Band - Buena Vista
The Killers - Midnight Show
The Postal Service - Brand New Colony
The Postal Service - Clark Gable
The Postal Service - Recycled Air
The White Stripes - Hotel Yorba
Weezer - Island in the Sun

And since I saw The Secret Life of Walter Mitty, David Bowie - Space Oddity.

There are many more that I relate to traveling because I listen to them on road trips, but they aren't necessarily traveling songs. Best traveling song out of the bunch here is Bright Eyes - Another Travelin' Song, for sure.