There are
1,277 mi
from Longmont, CO to Saginaw, MI
That's the driving distance. It would take 23 hours 2 mins to go from Longmont, Colorado to Saginaw, Michigan.
The flight distance (direct flight from Longmont, CO to Saginaw, MI) is 1,109.29 mi.
1,277 mi = 1.61 kms