There are
1,859 mi
from Greeley, CO to Holyoke, MA
That's the driving distance. It would take 1 day 10 hours to go from Greeley, Colorado to Holyoke, Massachusetts.
The flight distance (direct flight from Greeley, CO to Holyoke, MA) is 1,660.20 mi.
1,859 mi = 1.61 kms