Miles between Ontario, CA and Alton, TX

There are
1,557 mi
from Ontario, CA to Alton, TX

That's the driving distance. It would take 1 day 2 hours to go from Ontario, California to Alton, Texas.

The flight distance (direct flight from Ontario, CA to Alton, TX) is 1,271 mi.

1,557 mi = 1.61 kms