Miles between Napa, CA and Rialto, CA

There are
448 mi
from Napa, CA to Rialto, CA

That's the driving distance. It would take 8 hours 24 mins to go from Napa, California to Rialto, California.

The flight distance (direct flight from Napa, CA to Rialto, CA) is 399.44 mi.

448 mi = 720.92 kms