There are
3,134 mi
from Nashua, NH to San Mateo, CA
That's the driving distance. It would take 2 days 7 hours to go from Nashua, New Hampshire to San Mateo, California.
The flight distance (direct flight from Nashua, NH to San Mateo, CA) is 2,668.50 mi.
3,134 mi = 4.83 kms