There are
1,827 mi
from Irvine, CA to Overland, MO
That's the driving distance. It would take 1 day 8 hours to go from Irvine, California to Overland, Missouri.
The flight distance (direct flight from Irvine, CA to Overland, MO) is 1,562.17 mi.
1,827 mi = 1.61 kms