Miles between Thornton, CO and Muskegon Heights, MI

There are
1,164 mi
from Thornton, CO to Muskegon Heights, MI

That's the driving distance. It would take 20 hours 49 mins to go from Thornton, Colorado to Muskegon Heights, Michigan.

The flight distance (direct flight from Thornton, CO to Muskegon Heights, MI) is 993.57 mi.

1,164 mi = 1.61 kms