There are
273 mi
from Overland Park, KS to Swansea, IL
That's the driving distance. It would take 5 hours 25 mins to go from Overland Park, Kansas to Swansea, Illinois.
The flight distance (direct flight from Overland Park, KS to Swansea, IL) is 254.11 mi.
273 mi = 439.83 kms