Miles between Ontario, CA and Tempe, AZ

There are
345 mi
from Ontario, CA to Tempe, AZ

That's the driving distance. It would take 6 hours 14 mins to go from Ontario, California to Tempe, Arizona.

The flight distance (direct flight from Ontario, CA to Tempe, AZ) is 331.01 mi.

345 mi = 555.56 kms