Miles between San Diego, CA and Duncan, OK

There are
1,337 mi
from San Diego, CA to Duncan, OK

That's the driving distance. It would take 23 hours 46 mins to go from San Diego, California to Duncan, Oklahoma.

The flight distance (direct flight from San Diego, CA to Duncan, OK) is 1,109.98 mi.

1,337 mi = 1.61 kms