There are
2,941 mi
from Scarsdale, NY to San Mateo, CA
That's the driving distance. It would take 2 days 3 hours to go from Scarsdale, New York to San Mateo, California.
The flight distance (direct flight from Scarsdale, NY to San Mateo, CA) is 2,573.40 mi.
2,941 mi = 4,732.54 kms