There are
3,094 mi
from San Mateo, CA to Concord, NH
That's the driving distance. It would take 2 days 8 hours to go from San Mateo, California to Concord, New Hampshire.
The flight distance (direct flight from San Mateo, CA to Concord, NH) is 2,659.89 mi.
3,094 mi = 4,979.67 kms