Miles between Thornton, CO and Twin Falls, ID

There are
685 mi
from Thornton, CO to Twin Falls, ID

That's the driving distance. It would take 11 hours 37 mins to go from Thornton, Colorado to Twin Falls, Idaho.

The flight distance (direct flight from Thornton, CO to Twin Falls, ID) is 526.80 mi.

685 mi = 1,102.69 kms