| Seal Beach to Rosemead (California) | 21.75 mi (35.01 km) |
| Seal Beach to Rosemont (California) | 378.43 mi (609.02 km) |
| Seal Beach to Rosemount (Minnesota) | 1,529.33 mi (2,461.21 km) |
| Seal Beach to Rosenberg (Texas) | 1,337.69 mi (2,152.81 km) |
| Seal Beach to Roseville (California) | 390.90 mi (629.10 km) |
| Seal Beach to Roseville (Michigan) | 1,986.81 mi (3,197.46 km) |
| Seal Beach to Roseville (Minnesota) | 1,532.11 mi (2,465.69 km) |
| Seal Beach to Rossmoor (California) | 2.44 mi (3.92 km) |
| Seal Beach to Rossville (Maryland) | 2,320.04 mi (3,733.75 km) |
| Seal Beach to Roswell (Georgia) | 1,925.08 mi (3,098.12 km) |
| Seal Beach to Roswell (New Mexico) | 779.55 mi (1,254.56 km) |
| Seal Beach to Round Lake (Illinois) | 1,724.23 mi (2,774.89 km) |
| Seal Beach to Round Lake Beach (Illinois) | 1,725.91 mi (2,777.59 km) |
| Seal Beach to Round Rock (Texas) | 1,212.44 mi (1,951.24 km) |
| Seal Beach to Rowland Heights (California) | 18.23 mi (29.35 km) |
