Miles between Somerville, MA and Portsmouth, OH

There are
838 mi
from Somerville, MA to Portsmouth, OH

That's the driving distance. It would take 16 hours 24 mins to go from Somerville, Massachusetts to Portsmouth, Ohio.

The flight distance (direct flight from Somerville, MA to Portsmouth, OH) is 672.95 mi.

838 mi = 1,349.13 kms