There are
1,317 mi
from Rancho Cucamonga, CA to San Antonio, TX
That's the driving distance. It would take 22 hours 17 mins to go from Rancho Cucamonga, California to San Antonio, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to San Antonio, TX) is 1,165.64 mi.
1,317 mi = 1.61 kms