Miles between Allentown, PA and Littleton, CO

There are
1,715 mi
from Allentown, PA to Littleton, CO

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

The flight distance (direct flight from Allentown, PA to Littleton, CO) is 1,554.46 mi.

1,715 mi = 1.61 kms