There are
265 mi
from Haverhill, MA to South Plainfield, NJ
That's the driving distance. It would take 5 hours 42 mins to go from Haverhill, Massachusetts to South Plainfield, New Jersey.
The flight distance (direct flight from Haverhill, MA to South Plainfield, NJ) is 229.41 mi.
265 mi = 426.14 kms