Miles between Casper, WY and Ammon, ID

There are
373 mi
from Casper, WY to Ammon, ID

That's the driving distance. It would take 7 hours 39 mins to go from Casper, Wyoming to Ammon, Idaho.

The flight distance (direct flight from Casper, WY to Ammon, ID) is 287.89 mi.

373 mi = 599.64 kms