Miles between Thornton, CO and Gillette, WY

There are
332 mi
from Thornton, CO to Gillette, WY

That's the driving distance. It would take 5 hours 49 mins to go from Thornton, Colorado to Gillette, Wyoming.

The flight distance (direct flight from Thornton, CO to Gillette, WY) is 306.81 mi.

332 mi = 534.70 kms