U.S. Route 80 passes through a total of five states. These states are California, Arizona, New Mexico, Texas, and Louisiana. The highway stretches from San Diego, California, to Savannah, Georgia, covering a diverse range of landscapes and regions along its route.
15
One in the US
If using I-80, then you will pass through six states (including Illinois) to get to California.
None. No states or countries either.
3
3
5
5
3
3
8, not including Missouri, including it there would be 9
oklahoma and kansas