There are
1,801 mi
from San Antonio, TX to South Plainfield, NJ
That's the driving distance. It would take 1 day 8 hours to go from San Antonio, Texas to South Plainfield, New Jersey.
The flight distance (direct flight from San Antonio, TX to South Plainfield, NJ) is 1,558.23 mi.
1,801 mi = 1.61 kms