According to Takaya Imamura in a 2011 Nintendo Dream magazine interview, planet Papetoon, the homeworld of Fox McCloud as well as his father James and also Peppy Hare, actually exists outside of the Lylat System, approximately 10,000 light years away from it and Corneria. Imamura even states that the characters have to use warps to come and go.

This was alluded to in "The Curse of Pigma" ending in Star Fox Command, where Falco says:


For comparison's sake, in the Japanese script, he says: