Miles between Philadelphia, PA and Longmont, CO

There are
1,745 mi
from Philadelphia, PA to Longmont, CO

That's the driving distance. It would take 1 day 7 hours to go from Philadelphia, Pennsylvania to Longmont, Colorado.

The flight distance (direct flight from Philadelphia, PA to Longmont, CO) is 1,575.70 mi.

1,745 mi = 1.61 kms