Miles between San Francisco, CA and Duncan, OK

There are
1,618 mi
from San Francisco, CA to Duncan, OK

That's the driving distance. It would take 1 day 5 hours to go from San Francisco, California to Duncan, Oklahoma.

The flight distance (direct flight from San Francisco, CA to Duncan, OK) is 1,379.45 mi.

1,618 mi = 1.61 kms