There are
2,077 mi
from Shoreline, WA to St Charles, MO
That's the driving distance. It would take 1 day 12 hours to go from Shoreline, Washington to St Charles, Missouri.
The flight distance (direct flight from Shoreline, WA to St Charles, MO) is 1,702.20 mi.
2,077 mi = 3,342.05 kms