There are
1,505 mi
from Somerville, MA to Sioux City, IA
That's the driving distance. It would take 1 day 4 hours to go from Somerville, Massachusetts to Sioux City, Iowa.
The flight distance (direct flight from Somerville, MA to Sioux City, IA) is 1,285.21 mi.
1,505 mi = 1.61 kms