| San Juan to Robbinsdale (Minnesota) | 2,416.64 mi (3,889.20 km) |
| San Juan to Robertsville (New Jersey) | 1,593.09 mi (2,563.83 km) |
| San Juan to Robinson (Texas) | 2,134.59 mi (3,435.30 km) |
| San Juan to Robstown (Texas) | 2,103.98 mi (3,386.03 km) |
| San Juan to Rochester (Michigan) | 1,952.63 mi (3,142.46 km) |
| San Juan to Rochester (Minnesota) | 2,339.16 mi (3,764.51 km) |
| San Juan to Rochester (New Hampshire) | 1,744.21 mi (2,807.03 km) |
| San Juan to Rochester (New York) | 1,839.48 mi (2,960.35 km) |
| San Juan to Rochester Hills (Michigan) | 1,952.49 mi (3,142.22 km) |
| San Juan to Rock Hill (South Carolina) | 1,465.79 mi (2,358.95 km) |
| San Juan to Rock Island (Illinois) | 2,151.71 mi (3,462.84 km) |
| San Juan to Rock Springs (Wyoming) | 2,995.22 mi (4,820.35 km) |
| San Juan to Rockford (Illinois) | 2,130.18 mi (3,428.20 km) |
| San Juan to Rockledge (Florida) | 1,154.24 mi (1,857.57 km) |
| San Juan to Rocklin (California) | 3,571.36 mi (5,747.54 km) |
