There are
2,813 mi
from Rutherford, NJ to San Marcos, CA
That's the driving distance. It would take 2 days 2 hours to go from Rutherford, New Jersey to San Marcos, California.
The flight distance (direct flight from Rutherford, NJ to San Marcos, CA) is 2,409.87 mi.
2,813 mi = 4,527.51 kms