Miles between Ontario, CA and Greeley, CO

There are
1,040 mi
from Ontario, CA to Greeley, CO

That's the driving distance. It would take 18 hours 13 mins to go from Ontario, California to Greeley, Colorado.

The flight distance (direct flight from Ontario, CA to Greeley, CO) is 835.24 mi.

1,040 mi = 1.61 kms