There are
1,852 mi
from Escondido, CA to Swansea, IL
That's the driving distance. It would take 1 day 8 hours to go from Escondido, California to Swansea, Illinois.
The flight distance (direct flight from Escondido, CA to Swansea, IL) is 1,557.22 mi.
1,852 mi = 2,979.92 kms