Miles between Thornton, CO and Clinton, IA

There are
863 mi
from Thornton, CO to Clinton, IA

That's the driving distance. It would take 15 hours 10 mins to go from Thornton, Colorado to Clinton, Iowa.

The flight distance (direct flight from Thornton, CO to Clinton, IA) is 783.51 mi.

863 mi = 1,388.10 kms