There are
2,934 mi
from Temecula, CA to Claremont, NH
That's the driving distance. It would take 2 days 5 hours to go from Temecula, California to Claremont, New Hampshire.
The flight distance (direct flight from Temecula, CA to Claremont, NH) is 2,486.77 mi.
2,934 mi = 3.22 kms