There are
1,502 mi
from St Charles, MO to Peoria, AZ
That's the driving distance. It would take 1 day 2 hours to go from St Charles, Missouri to Peoria, Arizona.
The flight distance (direct flight from St Charles, MO to Peoria, AZ) is 1,260.36 mi.
1,502 mi = 2,416.68 kms