Miles between Thornton, CO and Grandville, MI

There are
1,151 mi
from Thornton, CO to Grandville, MI

That's the driving distance. It would take 20 hours 26 mins to go from Thornton, Colorado to Grandville, Michigan.

The flight distance (direct flight from Thornton, CO to Grandville, MI) is 1,015.27 mi.

1,151 mi = 1.61 kms