There are
2,079 mi
from Tacoma, WA to St Charles, MO
That's the driving distance. It would take 1 day 12 hours to go from Tacoma, Washington to St Charles, Missouri.
The flight distance (direct flight from Tacoma, WA to St Charles, MO) is 1,701.50 mi.
2,079 mi = 3.22 kms