There are
1,771 mi
from Passaic, NJ to San Marcos, TX
That's the driving distance. It would take 1 day 8 hours to go from Passaic, New Jersey to San Marcos, Texas.
The flight distance (direct flight from Passaic, NJ to San Marcos, TX) is 1,533.69 mi.
1,771 mi = 2,850.58 kms