There are
2,911 mi
from South San Francisco, CA to Rahway, NJ
That's the driving distance. It would take 2 days 3 hours to go from South San Francisco, California to Rahway, New Jersey.
The flight distance (direct flight from South San Francisco, CA to Rahway, NJ) is 2,555.46 mi.
2,911 mi = 4,685.46 kms