Miles between Ontario, CA and Conroe, TX

There are
1,540 mi
from Ontario, CA to Conroe, TX

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

The flight distance (direct flight from Ontario, CA to Conroe, TX) is 1,320.68 mi.

1,540 mi = 1.61 kms