Miles between Grand Rapids, MI and Longmont, CO

There are
1,162 mi
from Grand Rapids, MI to Longmont, CO

That's the driving distance. It would take 20 hours 50 mins to go from Grand Rapids, Michigan to Longmont, Colorado.

The flight distance (direct flight from Grand Rapids, MI to Longmont, CO) is 1,020.63 mi.

1,162 mi = 1.61 kms