Miles between Richardson, TX and Guymon, OK

There are
449 mi
from Richardson, TX to Guymon, OK

That's the driving distance. It would take 8 hours 39 mins to go from Richardson, Texas to Guymon, Oklahoma.

The flight distance (direct flight from Richardson, TX to Guymon, OK) is 373.06 mi.

449 mi = 722.35 kms