Miles between Ontario, CA and Port Arthur, TX

There are
1,599 mi
from Ontario, CA to Port Arthur, TX

That's the driving distance. It would take 1 day 3 hours to go from Ontario, California to Port Arthur, Texas.

The flight distance (direct flight from Ontario, CA to Port Arthur, TX) is 1,415.99 mi.

1,599 mi = 1.61 kms