There are
2,911 mi
from San Leandro, CA to Ridgefield, NJ
That's the driving distance. It would take 2 days 3 hours to go from San Leandro, California to Ridgefield, New Jersey.
The flight distance (direct flight from San Leandro, CA to Ridgefield, NJ) is 2,551.57 mi.
2,911 mi = 3.22 kms