Miles between Napa, CA and Pomona, CA

There are
427 mi
from Napa, CA to Pomona, CA

That's the driving distance. It would take 8 hours 1 min to go from Napa, California to Pomona, California.

The flight distance (direct flight from Napa, CA to Pomona, CA) is 387.85 mi.

427 mi = 687.22 kms