There are
1,529 mi
from St Charles, MO to Elko, NV
That's the driving distance. It would take 1 day 2 hours to go from St Charles, Missouri to Elko, Nevada.
The flight distance (direct flight from St Charles, MO to Elko, NV) is 1,342.94 mi.
1,529 mi = 2,461.02 kms