Miles between Longmont, CO and South Lyon, MI

There are
1,243 mi
from Longmont, CO to South Lyon, MI

That's the driving distance. It would take 22 hours 20 mins to go from Longmont, Colorado to South Lyon, Michigan.

The flight distance (direct flight from Longmont, CO to South Lyon, MI) is 1,121.35 mi.

1,243 mi = 1.61 kms