Miles between Boulder, CO and Stillwater, OK

There are
661 mi
from Boulder, CO to Stillwater, OK

That's the driving distance. It would take 11 hours 23 mins to go from Boulder, Colorado to Stillwater, Oklahoma.

The flight distance (direct flight from Boulder, CO to Stillwater, OK) is 521.37 mi.

661 mi = 1,064.14 kms