There are
1,442 mi
from Newton, MA to Leavenworth, KS
That's the driving distance. It would take 1 day 3 hours to go from Newton, Massachusetts to Leavenworth, Kansas.
The flight distance (direct flight from Newton, MA to Leavenworth, KS) is 1,253.11 mi.
1,442 mi = 1.61 kms