Miles between Longmont, CO and Reading, PA

There are
1,700 mi
from Longmont, CO to Reading, PA

That's the driving distance. It would take 1 day 6 hours to go from Longmont, Colorado to Reading, Pennsylvania.

The flight distance (direct flight from Longmont, CO to Reading, PA) is 1,531.50 mi.

1,700 mi = 2,736.18 kms