There are
1,840 mi
from Whittier, CA to Swansea, IL
That's the driving distance. It would take 1 day 8 hours to go from Whittier, California to Swansea, Illinois.
The flight distance (direct flight from Whittier, CA to Swansea, IL) is 1,587.37 mi.
1,840 mi = 1.61 kms