| Seal Beach to Rome (New York) | 2,366.19 mi (3,808.01 km) |
| Seal Beach to Romeoville (Illinois) | 1,716.51 mi (2,762.45 km) |
| Seal Beach to Romulus (Michigan) | 1,963.02 mi (3,159.17 km) |
| Seal Beach to Ronkonkoma (New York) | 2,490.70 mi (4,008.40 km) |
| Seal Beach to Roosevelt (New York) | 2,467.23 mi (3,970.62 km) |
| Seal Beach to Rosamond (California) | 77.24 mi (124.31 km) |
| Seal Beach to Rosaryville (Maryland) | 2,304.17 mi (3,708.20 km) |
| Seal Beach to Roscoe (Illinois) | 1,680.03 mi (2,703.74 km) |
| Seal Beach to Rose Hill (Virginia) | 2,288.92 mi (3,683.67 km) |
| Seal Beach to Roseburg (Oregon) | 713.46 mi (1,148.20 km) |
| Seal Beach to Rosedale (California) | 130.06 mi (209.32 km) |
| Seal Beach to Rosedale (Maryland) | 2,318.49 mi (3,731.25 km) |
| Seal Beach to Roselle (Illinois) | 1,720.98 mi (2,769.65 km) |
| Seal Beach to Roselle (New Jersey) | 2,431.95 mi (3,913.85 km) |
| Seal Beach to Roselle Park (New Jersey) | 2,431.56 mi (3,913.21 km) |
