There are
1,337 mi
from Longmont, CO to Warrensville Heights, OH
That's the driving distance. It would take 1 day to go from Longmont, Colorado to Warrensville Heights, Ohio.
The flight distance (direct flight from Longmont, CO to Warrensville Heights, OH) is 1,232.49 mi.
1,337 mi = 1.61 kms