Miles between Thornton, CO and Mason City, IA

There are
784 mi
from Thornton, CO to Mason City, IA

That's the driving distance. It would take 13 hours 42 mins to go from Thornton, Colorado to Mason City, Iowa.

The flight distance (direct flight from Thornton, CO to Mason City, IA) is 649.25 mi.

784 mi = 1,261.71 kms