Miles between Nampa, ID and Ontario, CA

There are
813 mi
from Nampa, ID to Ontario, CA

That's the driving distance. It would take 15 hours 34 mins to go from Nampa, Idaho to Ontario, California.

The flight distance (direct flight from Nampa, ID to Ontario, CA) is 657.42 mi.

813 mi = 1,308.06 kms