There are
1,354 mi
from San Marcos, CA to Choctaw, OK
That's the driving distance. It would take 23 hours 46 mins to go from San Marcos, California to Choctaw, Oklahoma.
The flight distance (direct flight from San Marcos, CA to Choctaw, OK) is 1,145 mi.
1,354 mi = 2,178.69 kms