There are
1,784 mi
from Rialto, CA to Overland, MO
That's the driving distance. It would take 1 day 7 hours to go from Rialto, California to Overland, Missouri.
The flight distance (direct flight from Rialto, CA to Overland, MO) is 1,529.19 mi.
1,784 mi = 1.61 kms