Miles between Upland, CA and Duncan, OK

There are
1,282 mi
from Upland, CA to Duncan, OK

That's the driving distance. It would take 22 hours 48 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.

1,282 mi = 1.61 kms