There are
1,936 mi
from Kennewick, WA to Griffith, IN
That's the driving distance. It would take 1 day 9 hours to go from Kennewick, Washington to Griffith, Indiana.
The flight distance (direct flight from Kennewick, WA to Griffith, IN) is 1,601.20 mi.
1,936 mi = 3,116.25 kms