There are
2,283 mi
from Kennewick, WA to Tupelo, MS
That's the driving distance. It would take 1 day 14 hours to go from Kennewick, Washington to Tupelo, Mississippi.
The flight distance (direct flight from Kennewick, WA to Tupelo, MS) is 1,789.95 mi.
2,283 mi = 3,674.17 kms