There are
1,899 mi
from Santa Monica, CA to Cape Girardeau, MO
That's the driving distance. It would take 1 day 9 hours to go from Santa Monica, California to Cape Girardeau, Missouri.
The flight distance (direct flight from Santa Monica, CA to Cape Girardeau, MO) is 1,635.69 mi.
1,899 mi = 1.61 kms