Miles between Great Falls, MT and Guymon, OK

There are
1,126 mi
from Great Falls, MT to Guymon, OK

That's the driving distance. It would take 20 hours to go from Great Falls, Montana to Guymon, Oklahoma.

The flight distance (direct flight from Great Falls, MT to Guymon, OK) is 899.55 mi.

1,126 mi = 1,812.55 kms