There are
1,330 mi
from Gaithersburg, MD to Chickasha, OK
That's the driving distance. It would take 1 day to go from Gaithersburg, Maryland to Chickasha, Oklahoma.
The flight distance (direct flight from Gaithersburg, MD to Chickasha, OK) is 1,174.27 mi.
1,330 mi = 2,139.89 kms