Miles between Greeley, CO and Allentown, PA

There are
1,678 mi
from Greeley, CO to Allentown, PA

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

The flight distance (direct flight from Greeley, CO to Allentown, PA) is 1,527.70 mi.

1,678 mi = 1.61 kms