Miles between Ontario, CA and Fairfield, OH

There are
2,141 mi
from Ontario, CA to Fairfield, OH

That's the driving distance. It would take 1 day 13 hours to go from Ontario, California to Fairfield, Ohio.

The flight distance (direct flight from Ontario, CA to Fairfield, OH) is 1,858.19 mi.

2,141 mi = 3.22 kms