Miles between Thornton, CO and Idaho Falls, ID

There are
585 mi
from Thornton, CO to Idaho Falls, ID

That's the driving distance. It would take 10 hours 47 mins to go from Thornton, Colorado to Idaho Falls, Idaho.

The flight distance (direct flight from Thornton, CO to Idaho Falls, ID) is 441.89 mi.

585 mi = 940.72 kms