There are
3,064 mi
from San Mateo, CA to Claremont, NH
That's the driving distance. It would take 2 days 7 hours to go from San Mateo, California to Claremont, New Hampshire.
The flight distance (direct flight from San Mateo, CA to Claremont, NH) is 2,617.87 mi.
3,064 mi = 4.83 kms