Miles between Union City, CA and Greeley, CO

There are
1,236 mi
from Union City, CA to Greeley, CO

That's the driving distance. It would take 21 hours 21 mins to go from Union City, California to Greeley, Colorado.

The flight distance (direct flight from Union City, CA to Greeley, CO) is 949.50 mi.

1,236 mi = 1.61 kms