There are
2,076 mi
from Kennewick, WA to Marion, IN
That's the driving distance. It would take 1 day 13 hours to go from Kennewick, Washington to Marion, Indiana.
The flight distance (direct flight from Kennewick, WA to Marion, IN) is 1,712.21 mi.
2,076 mi = 3,340.54 kms