There are
2,027 mi
from Kennewick, WA to Lafayette, IN
That's the driving distance. It would take 1 day 11 hours to go from Kennewick, Washington to Lafayette, Indiana.
The flight distance (direct flight from Kennewick, WA to Lafayette, IN) is 1,658.16 mi.
2,027 mi = 3,262.90 kms