There are
1,182 mi
from Greeley, CO to Seymour, IN
That's the driving distance. It would take 21 hours 10 mins to go from Greeley, Colorado to Seymour, Indiana.
The flight distance (direct flight from Greeley, CO to Seymour, IN) is 1,003.72 mi.
1,182 mi = 1.61 kms