There are
1,127 mi
from St Charles, MO to Plattsburgh, NY
That's the driving distance. It would take 21 hours 52 mins to go from St Charles, Missouri to Plattsburgh, New York.
The flight distance (direct flight from St Charles, MO to Plattsburgh, NY) is 967.11 mi.
1,127 mi = 1,814.10 kms