| Seal Beach to Ramsey (New Jersey) | 2,436.56 mi (3,921.26 km) |
| Seal Beach to Rancho Cordova (California) | 377.26 mi (607.14 km) |
| Seal Beach to Rancho Cucamonga (California) | 38.63 mi (62.17 km) |
| Seal Beach to Rancho Mirage (California) | 94.45 mi (152.01 km) |
| Seal Beach to Rancho Palos Verdes (California) | 16.77 mi (27.00 km) |
| Seal Beach to Rancho San Diego (California) | 95.52 mi (153.72 km) |
| Seal Beach to Rancho Santa Margarita (California) | 28.45 mi (45.79 km) |
| Seal Beach to Randallstown (Maryland) | 2,302.62 mi (3,705.70 km) |
| Seal Beach to Rantoul (Illinois) | 1,702.07 mi (2,739.22 km) |
| Seal Beach to Rapid City (South Dakota) | 1,067.30 mi (1,717.65 km) |
| Seal Beach to Ravenna (Ohio) | 2,067.20 mi (3,326.83 km) |
| Seal Beach to Raymondville (Texas) | 1,310.05 mi (2,108.32 km) |
| Seal Beach to Raymore (Missouri) | 1,356.45 mi (2,182.99 km) |
| Seal Beach to Raytown (Missouri) | 1,357.95 mi (2,185.41 km) |
| Seal Beach to Reading (Ohio) | 1,895.05 mi (3,049.78 km) |
