Miles between Troy, MI and Thornton, CO

There are
1,275 mi
from Troy, MI to Thornton, CO

That's the driving distance. It would take 22 hours 43 mins to go from Troy, Michigan to Thornton, Colorado.

The flight distance (direct flight from Troy, MI to Thornton, CO) is 1,146.18 mi.

1,275 mi = 1.61 kms