Miles between Oceanside, CA and Gillette, WY

There are
1,232 mi
from Oceanside, CA to Gillette, WY

That's the driving distance. It would take 21 hours 52 mins to go from Oceanside, California to Gillette, Wyoming.

The flight distance (direct flight from Oceanside, CA to Gillette, WY) is 996.50 mi.

1,232 mi = 1.61 kms