Miles between Fort Smith, AR and Ontario, CA

There are
1,480 mi
from Fort Smith, AR to Ontario, CA

That's the driving distance. It would take 1 day 1 hour to go from Fort Smith, Arkansas to Ontario, California.

The flight distance (direct flight from Fort Smith, AR to Ontario, CA) is 1,320.58 mi.

1,480 mi = 1.61 kms