There are
1,520 mi
from Rancho Cucamonga, CA to Kilgore, TX
That's the driving distance. It would take 1 day 2 hours to go from Rancho Cucamonga, California to Kilgore, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Kilgore, TX) is 1,315.35 mi.
1,520 mi = 1.61 kms