Miles between Longmont, CO and Grand Haven, MI

There are
1,157 mi
from Longmont, CO to Grand Haven, MI

That's the driving distance. It would take 20 hours 52 mins to go from Longmont, Colorado to Grand Haven, Michigan.

The flight distance (direct flight from Longmont, CO to Grand Haven, MI) is 992.99 mi.

1,157 mi = 1.61 kms