There are
2,903 mi
from San Mateo, CA to Haddonfield, NJ
That's the driving distance. It would take 2 days 2 hours to go from San Mateo, California to Haddonfield, New Jersey.
The flight distance (direct flight from San Mateo, CA to Haddonfield, NJ) is 2,524.12 mi.
2,903 mi = 4,671.14 kms