It is nice to play a home game. Shoot it is nice to have games close to your house when you are in the NFL. This year the Carolina Panthers will be blessed to travel the least in the entire league, while the Oakland Raiders will need frequent flyer miles set up because they will five times the amount of miles the Panthers will travel in 2018.
According to this image, the Seahawks, Chargers and Raiders will all travel around the world at least once. That is a lot of traveling.