| San Juan to Rome (New York) | 1,801.49 mi (2,899.21 km) |
| San Juan to Romeoville (Illinois) | 2,064.40 mi (3,322.34 km) |
| San Juan to Romulus (Michigan) | 1,934.38 mi (3,113.08 km) |
| San Juan to Ronkonkoma (New York) | 1,603.72 mi (2,580.94 km) |
| San Juan to Roosevelt (New York) | 1,602.91 mi (2,579.64 km) |
| San Juan to Rosamond (California) | 3,374.87 mi (5,431.32 km) |
| San Juan to Rosaryville (Maryland) | 1,548.68 mi (2,492.36 km) |
| San Juan to Roscoe (Illinois) | 2,136.07 mi (3,437.67 km) |
| San Juan to Rose Hill (Virginia) | 1,557.03 mi (2,505.80 km) |
| San Juan to Roseburg (Oregon) | 3,721.22 mi (5,988.72 km) |
| San Juan to Rosedale (California) | 3,434.05 mi (5,526.57 km) |
| San Juan to Rosedale (Maryland) | 1,575.35 mi (2,535.28 km) |
| San Juan to Roselle (Illinois) | 2,080.84 mi (3,348.79 km) |
| San Juan to Roselle (New Jersey) | 1,612.79 mi (2,595.54 km) |
| San Juan to Roselle Park (New Jersey) | 1,613.73 mi (2,597.05 km) |
