Miles between Longmont, CO and Allen Park, MI

There are
1,257 mi
from Longmont, CO to Allen Park, MI

That's the driving distance. It would take 22 hours 32 mins to go from Longmont, Colorado to Allen Park, Michigan.

The flight distance (direct flight from Longmont, CO to Allen Park, MI) is 1,143.75 mi.

1,257 mi = 1.61 kms