There are
1,143 mi
from Greeley, CO to Chula Vista, CA
That's the driving distance. It would take 20 hours 8 mins to go from Greeley, Colorado to Chula Vista, California.
The flight distance (direct flight from Greeley, CO to Chula Vista, CA) is 871 mi.
1,143 mi = 1,839.96 kms