There are
2,868 mi
from Somerville, NJ to Concord, CA
That's the driving distance. It would take 2 days 2 hours to go from Somerville, New Jersey to Concord, California.
The flight distance (direct flight from Somerville, NJ to Concord, CA) is 2,511.96 mi.
2,868 mi = 4,616.05 kms