Miles between Upland, CA and Duncan, OK

There are
1,278 mi
from Upland, CA to Duncan, OK

That's the driving distance. It would take 22 hours 25 mins to go from Upland, California to Duncan, Oklahoma.

The flight distance (direct flight from Upland, CA to Duncan, OK) is 1,122.45 mi.

1,278 mi = 2,056.01 kms