| San Juan to Ridgefield Park (New Jersey) | 1,621.70 mi (2,609.87 km) |
| San Juan to Ridgeland (Mississippi) | 1,781.44 mi (2,866.95 km) |
| San Juan to Ridgewood (New Jersey) | 1,631.63 mi (2,625.86 km) |
| San Juan to Rifle (Colorado) | 2,877.82 mi (4,631.40 km) |
| San Juan to Rincon (Georgia) | 1,345.84 mi (2,165.92 km) |
| San Juan to Ringwood (New Jersey) | 1,642.56 mi (2,643.44 km) |
| San Juan to Río Grande (Puerto Rico) | 14.63 mi (23.55 km) |
| San Juan to Rio Grande City (Texas) | 2,157.74 mi (3,472.54 km) |
| San Juan to Rio Linda (California) | 3,580.70 mi (5,762.59 km) |
| San Juan to Rio Rancho (New Mexico) | 2,738.73 mi (4,407.56 km) |
| San Juan to Rio Rico (Arizona) | 2,933.80 mi (4,721.49 km) |
| San Juan to Ripon (California) | 3,556.71 mi (5,723.97 km) |
| San Juan to River Edge (New Jersey) | 1,626.75 mi (2,618.01 km) |
| San Juan to River Falls (Wisconsin) | 2,383.01 mi (3,835.09 km) |
| San Juan to River Forest (Illinois) | 2,066.95 mi (3,326.44 km) |
