There are
1,946 mi
from Warwick, RI to San Marcos, TX
That's the driving distance. It would take 1 day 11 hours to go from Warwick, Rhode Island to San Marcos, Texas.
The flight distance (direct flight from Warwick, RI to San Marcos, TX) is 1,686.06 mi.
1,946 mi = 1.61 kms