There are
1,108 mi
from Chula Vista, CA to Longmont, CO
That's the driving distance. It would take 19 hours 37 mins to go from Chula Vista, California to Longmont, Colorado.
The flight distance (direct flight from Chula Vista, CA to Longmont, CO) is 843.92 mi.
1,108 mi = 1.61 kms