There are
1,473 mi
from St Charles, MO to Coolidge, AZ
That's the driving distance. It would take 1 day 2 hours to go from St Charles, Missouri to Coolidge, Arizona.
The flight distance (direct flight from St Charles, MO to Coolidge, AZ) is 1,239.20 mi.
1,473 mi = 2,371.10 kms