There are
3,017 mi
from Rancho Cucamonga, CA to Somersworth, NH
That's the driving distance. It would take 2 days 6 hours to go from Rancho Cucamonga, California to Somersworth, New Hampshire.
The flight distance (direct flight from Rancho Cucamonga, CA to Somersworth, NH) is 2,563.22 mi.
3,017 mi = 4.83 kms