There are
1,523 mi
from Chula Vista, CA to Weslaco, TX
That's the driving distance. It would take 1 day 1 hour to go from Chula Vista, California to Weslaco, Texas.
The flight distance (direct flight from Chula Vista, CA to Weslaco, TX) is 1,231.14 mi.
1,523 mi = 1.61 kms