There are
1,880 mi
from Kennewick, WA to Rowlett, TX
That's the driving distance. It would take 1 day 9 hours to go from Kennewick, Washington to Rowlett, Texas.
The flight distance (direct flight from Kennewick, WA to Rowlett, TX) is 1,504.64 mi.
1,880 mi = 3,025.11 kms