The Proclaimers sing the song 500 miles which is what I think you're referring to. Thanks for using AnswerParty.
The Proclaimers are a Scottish band composed of identical twin brothers Charlie and Craig Reid. They are best known for the songs "I'm Gonna Be (500 Miles)", "Sunshine on Leith", "I'm On My Way" and "Letter from America". The band tours extensively throughout the world. They have released nine studio albums from 1987 until the present, as well as two compilation albums and a DVD
The Best of the Proclaimers is a compilation album by Scottish band The Proclaimers released in 2002 and re-released in 2007.
Three tracks ("The Doodle Song", "Ghost of Love", and "Lady Luck") were newly recorded for the compilation. I'm on My Way