Miles between Ontario, CA and Gillette, WY

There are
1,164 mi
from Ontario, CA to Gillette, WY

That's the driving distance. It would take 20 hours 32 mins to go from Ontario, California to Gillette, Wyoming.

The flight distance (direct flight from Ontario, CA to Gillette, WY) is 958.54 mi.

1,164 mi = 1.61 kms