Miles between Thornton, CO and Rock Springs, WY

There are
328 mi
from Thornton, CO to Rock Springs, WY

That's the driving distance. It would take 5 hours 43 mins to go from Thornton, Colorado to Rock Springs, Wyoming.

The flight distance (direct flight from Thornton, CO to Rock Springs, WY) is 251.34 mi.

328 mi = 527.86 kms