There are
3,133 mi
from Somerville, MA to Lompoc, CA
That's the driving distance. It would take 2 days 8 hours to go from Somerville, Massachusetts to Lompoc, California.
The flight distance (direct flight from Somerville, MA to Lompoc, CA) is 2,683.05 mi.
3,133 mi = 4.83 kms