Miles between Napa, CA and Riverside, CA

There are
451 mi
from Napa, CA to Riverside, CA

That's the driving distance. It would take 8 hours 33 mins to go from Napa, California to Riverside, California.

The flight distance (direct flight from Napa, CA to Riverside, CA) is 406.38 mi.

451 mi = 725.44 kms