There are
1,718 mi
from Greeley, CO to Lansdowne, PA
That's the driving distance. It would take 1 day 7 hours to go from Greeley, Colorado to Lansdowne, Pennsylvania.
The flight distance (direct flight from Greeley, CO to Lansdowne, PA) is 1,547.06 mi.
1,718 mi = 1.61 kms