There are
2,012 mi
from St Charles, MO to Ripon, CA
That's the driving distance. It would take 1 day 10 hours to go from St Charles, Missouri to Ripon, California.
The flight distance (direct flight from St Charles, MO to Ripon, CA) is 1,654.49 mi.
2,012 mi = 3,237.40 kms