Miles between Greeley, CO and Union City, CA

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

That's the driving distance. It would take 21 hours 22 mins to go from Greeley, Colorado to Union City, California.

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

1,236 mi = 1,989.51 kms