There are
962 mi
from Clifton, NJ to Swansea, IL
That's the driving distance. It would take 18 hours 4 mins to go from Clifton, New Jersey to Swansea, Illinois.
The flight distance (direct flight from Clifton, NJ to Swansea, IL) is 855.26 mi.
962 mi = 1,548.83 kms