Miles between Reading, PA and Longmont, CO

There are
1,693 mi
from Reading, PA to Longmont, CO

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

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

1,693 mi = 1.61 kms