There are
2,705 mi
from Kennewick, WA to Salisbury, MD
That's the driving distance. It would take 2 days to go from Kennewick, Washington to Salisbury, Maryland.
The flight distance (direct flight from Kennewick, WA to Salisbury, MD) is 2,260.40 mi.
2,705 mi = 4,352.49 kms