| Seal Beach to Robbinsdale (Minnesota) | 1,524.29 mi (2,453.11 km) |
| Seal Beach to Robertsville (New Jersey) | 2,431.40 mi (3,912.96 km) |
| Seal Beach to Robinson (Texas) | 1,227.69 mi (1,975.78 km) |
| Seal Beach to Robstown (Texas) | 1,276.59 mi (2,054.47 km) |
| Seal Beach to Rochester (Michigan) | 1,978.90 mi (3,184.72 km) |
| Seal Beach to Rochester (Minnesota) | 1,539.43 mi (2,477.48 km) |
| Seal Beach to Rochester (New Hampshire) | 2,593.19 mi (4,173.33 km) |
| Seal Beach to Rochester (New York) | 2,259.06 mi (3,635.61 km) |
| Seal Beach to Rochester Hills (Michigan) | 1,976.88 mi (3,181.48 km) |
| Seal Beach to Rock Hill (South Carolina) | 2,102.84 mi (3,384.20 km) |
| Seal Beach to Rock Island (Illinois) | 1,588.06 mi (2,555.74 km) |
| Seal Beach to Rock Springs (Wyoming) | 725.63 mi (1,167.79 km) |
| Seal Beach to Rockford (Illinois) | 1,675.04 mi (2,695.71 km) |
| Seal Beach to Rockledge (Florida) | 2,229.68 mi (3,588.33 km) |
| Seal Beach to Rocklin (California) | 391.37 mi (629.85 km) |
