Miles between Longmont, CO and Detroit, MI

There are
1,267 mi
from Longmont, CO to Detroit, MI

That's the driving distance. It would take 22 hours 44 mins to go from Longmont, Colorado to Detroit, Michigan.

The flight distance (direct flight from Longmont, CO to Detroit, MI) is 1,152.19 mi.

1,267 mi = 2,038.66 kms