There are
1,572 mi
from North Las Vegas, NV to St Charles, MO
That's the driving distance. It would take 1 day 3 hours to go from North Las Vegas, Nevada to St Charles, Missouri.
The flight distance (direct flight from North Las Vegas, NV to St Charles, MO) is 1,356.56 mi.
1,572 mi = 1.61 kms