There are
1,777 mi
from Rancho Cucamonga, CA to Arnold, MO
That's the driving distance. It would take 1 day 6 hours to go from Rancho Cucamonga, California to Arnold, Missouri.
The flight distance (direct flight from Rancho Cucamonga, CA to Arnold, MO) is 1,539.36 mi.
1,777 mi = 2,859.43 kms