| Seal Beach to Ridgefield Park (New Jersey) | 2,443.76 mi (3,932.85 km) |
| Seal Beach to Ridgeland (Mississippi) | 1,614.12 mi (2,597.67 km) |
| Seal Beach to Ridgewood (New Jersey) | 2,438.50 mi (3,924.39 km) |
| Seal Beach to Rifle (Colorado) | 696.06 mi (1,120.19 km) |
| Seal Beach to Rincon (Georgia) | 2,124.97 mi (3,419.81 km) |
| Seal Beach to Ringwood (New Jersey) | 2,429.68 mi (3,910.19 km) |
| Seal Beach to Río Grande (Puerto Rico) | 3,373.11 mi (5,428.50 km) |
| Seal Beach to Rio Grande City (Texas) | 1,256.05 mi (2,021.42 km) |
| Seal Beach to Rio Linda (California) | 389.12 mi (626.23 km) |
| Seal Beach to Rio Rancho (New Mexico) | 655.67 mi (1,055.20 km) |
| Seal Beach to Rio Rico (Arizona) | 440.59 mi (709.06 km) |
| Seal Beach to Ripon (California) | 324.51 mi (522.25 km) |
| Seal Beach to River Edge (New Jersey) | 2,442.54 mi (3,930.89 km) |
| Seal Beach to River Falls (Wisconsin) | 1,552.36 mi (2,498.28 km) |
| Seal Beach to River Forest (Illinois) | 1,733.57 mi (2,789.90 km) |
