Miles between Thornton, CO and Kuna, ID

There are
822 mi
from Thornton, CO to Kuna, ID

That's the driving distance. It would take 13 hours 45 mins to go from Thornton, Colorado to Kuna, Idaho.

The flight distance (direct flight from Thornton, CO to Kuna, ID) is 640.92 mi.

822 mi = 1,322.86 kms