Luis Muñoz Marin International Airport Airport Rd, Carolina, 00979 Take Airport Rd to Expreso Román Baldorioty de Castro/PR-26. Take the Carolina exit from Av. Jesús T. Piñero/Puente Teodoro Moscoso/PR-17 4 min (2.9 km) Follow Expreso Román Baldorioty de Castro/PR-26 and Autop. Roberto Sánchez Vilella/PR-66 to PR-185 in Canóvanas. Take exit 10 from Autop. Roberto Sánchez Vilella/PR-66 12 min (17.6 km) Continue on PR-185 to your destination in Río Grande