Miles between Vallejo, CA and Duncan, OK

There are
1,620 mi
from Vallejo, CA to Duncan, OK

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

The flight distance (direct flight from Vallejo, CA to Duncan, OK) is 1,371.61 mi.

1,620 mi = 1.61 kms