Miles between Thornton, CO and Muskegon, MI

There are
1,167 mi
from Thornton, CO to Muskegon, MI

That's the driving distance. It would take 20 hours 53 mins to go from Thornton, Colorado to Muskegon, Michigan.

The flight distance (direct flight from Thornton, CO to Muskegon, MI) is 993.38 mi.

1,167 mi = 1.61 kms