There are
1,602 mi
from Kansas City, MO to Monrovia, CA
That's the driving distance. It would take 1 day 3 hours to go from Kansas City, Missouri to Monrovia, California.
The flight distance (direct flight from Kansas City, MO to Monrovia, CA) is 1,339.09 mi.
1,602 mi = 1.61 kms