Miles between Thornton, CO and Troy, MO

There are
814 mi
from Thornton, CO to Troy, MO

That's the driving distance. It would take 14 hours 17 mins to go from Thornton, Colorado to Troy, Missouri.

The flight distance (direct flight from Thornton, CO to Troy, MO) is 748.50 mi.

814 mi = 1,309.21 kms