Miles between Thornton, CO and Alliance, OH

There are
1,371 mi
from Thornton, CO to Alliance, OH

That's the driving distance. It would take 1 day to go from Thornton, Colorado to Alliance, Ohio.

The flight distance (direct flight from Thornton, CO to Alliance, OH) is 1,254.11 mi.

1,371 mi = 1.61 kms