There are
2,152 mi
from St Charles, MO to Arcata, CA
That's the driving distance. It would take 1 day 13 hours to go from St Charles, Missouri to Arcata, California.
The flight distance (direct flight from St Charles, MO to Arcata, CA) is 1,776.21 mi.
2,152 mi = 3,463.24 kms