There are
781 mi
from Ottumwa, IA to Crowley, TX
That's the driving distance. It would take 14 hours 7 mins to go from Ottumwa, Iowa to Crowley, Texas.
The flight distance (direct flight from Ottumwa, IA to Crowley, TX) is 643.87 mi.
781 mi = 1,256.40 kms