There are
2,286 mi
from Rancho Cucamonga, CA to Simpsonville, SC
That's the driving distance. It would take 1 day 15 hours to go from Rancho Cucamonga, California to Simpsonville, South Carolina.
The flight distance (direct flight from Rancho Cucamonga, CA to Simpsonville, SC) is 2,004.12 mi.
2,286 mi = 3,678.92 kms