Miles between Sunnyvale, CA and Duncan, OK

There are
1,582 mi
from Sunnyvale, CA to Duncan, OK

That's the driving distance. It would take 1 day 4 hours to go from Sunnyvale, California to Duncan, Oklahoma.

The flight distance (direct flight from Sunnyvale, CA to Duncan, OK) is 1,357.72 mi.

1,582 mi = 2,545.56 kms