There are
1,048 mi
from Somerville, MA to Oshkosh, WI
That's the driving distance. It would take 21 hours 6 mins to go from Somerville, Massachusetts to Oshkosh, Wisconsin.
The flight distance (direct flight from Somerville, MA to Oshkosh, WI) is 884.03 mi.
1,048 mi = 1.61 kms