There are
2,055 mi
from Concord, CA to Swansea, IL
That's the driving distance. It would take 1 day 11 hours to go from Concord, California to Swansea, Illinois.
The flight distance (direct flight from Concord, CA to Swansea, IL) is 1,730.03 mi.
2,055 mi = 3.22 kms