There are
1,479 mi
from St Charles, MO to Maricopa, AZ
That's the driving distance. It would take 1 day 2 hours to go from St Charles, Missouri to Maricopa, Arizona.
The flight distance (direct flight from St Charles, MO to Maricopa, AZ) is 1,264.80 mi.
1,479 mi = 2,379.44 kms