There are
2,034 mi
from Stockton, CA to Swansea, IL
That's the driving distance. It would take 1 day 11 hours to go from Stockton, California to Swansea, Illinois.
The flight distance (direct flight from Stockton, CA to Swansea, IL) is 1,690.76 mi.
2,034 mi = 3.22 kms