| San Juan to Rockport (Texas) | 2,071.51 mi (3,333.78 km) |
| San Juan to Rockville (Maryland) | 1,576.25 mi (2,536.74 km) |
| San Juan to Rockville Centre (New York) | 1,602.81 mi (2,579.47 km) |
| San Juan to Rockwall (Texas) | 2,129.94 mi (3,427.81 km) |
| San Juan to Rocky Mount (North Carolina) | 1,409.58 mi (2,268.49 km) |
| San Juan to Rocky Point (New York) | 1,609.58 mi (2,590.36 km) |
| San Juan to Rocky River (Ohio) | 1,846.47 mi (2,971.60 km) |
| San Juan to Roessleville (New York) | 1,738.90 mi (2,798.49 km) |
| San Juan to Rogers (Arkansas) | 2,108.95 mi (3,394.03 km) |
| San Juan to Rogers (Minnesota) | 2,432.92 mi (3,915.41 km) |
| San Juan to Rohnert Park (California) | 3,645.68 mi (5,867.16 km) |
| San Juan to Rolla (Missouri) | 2,054.36 mi (3,306.18 km) |
| San Juan to Rolling Meadows (Illinois) | 2,083.21 mi (3,352.60 km) |
| San Juan to Roma (Texas) | 2,169.39 mi (3,491.30 km) |
| San Juan to Rome (Georgia) | 1,608.22 mi (2,588.17 km) |
