Miles between Santa Monica, CA and Gillette, WY

There are
1,215 mi
from Santa Monica, CA to Gillette, WY

That's the driving distance. It would take 21 hours 31 mins to go from Santa Monica, California to Gillette, Wyoming.

The flight distance (direct flight from Santa Monica, CA to Gillette, WY) is 991.60 mi.

1,215 mi = 1.61 kms