There are
2,889 mi
from Newton, MA to Kennewick, WA
That's the driving distance. It would take 2 days 3 hours to go from Newton, Massachusetts to Kennewick, Washington.
The flight distance (direct flight from Newton, MA to Kennewick, WA) is 2,349.83 mi.
2,889 mi = 4,649.98 kms