Miles between Great Falls, MT and Casper, WY

There are
497 mi
from Great Falls, MT to Casper, WY

That's the driving distance. It would take 8 hours 39 mins to go from Great Falls, Montana to Casper, Wyoming.

The flight distance (direct flight from Great Falls, MT to Casper, WY) is 401.69 mi.

497 mi = 799.57 kms