| Imperial Beach to Rockville (Maryland) | 2,264.75 mi (3,644.76 km) |
| Imperial Beach to Rockville Centre (New York) | 2,449.26 mi (3,941.70 km) |
| Imperial Beach to Rockwall (Texas) | 1,200.16 mi (1,931.47 km) |
| Imperial Beach to Rocky Mount (North Carolina) | 2,241.93 mi (3,608.04 km) |
| Imperial Beach to Rocky Point (New York) | 2,485.63 mi (4,000.24 km) |
| Imperial Beach to Rocky River (Ohio) | 2,024.39 mi (3,257.95 km) |
| Imperial Beach to Roessleville (New York) | 2,442.35 mi (3,930.57 km) |
| Imperial Beach to Rogers (Arkansas) | 1,330.59 mi (2,141.38 km) |
| Imperial Beach to Rogers (Minnesota) | 1,528.07 mi (2,459.19 km) |
| Imperial Beach to Rohnert Park (California) | 507.68 mi (817.03 km) |
| Imperial Beach to Rolla (Missouri) | 1,472.99 mi (2,370.55 km) |
| Imperial Beach to Rolling Meadows (Illinois) | 1,717.57 mi (2,764.16 km) |
| Imperial Beach to Roma (Texas) | 1,167.27 mi (1,878.55 km) |
| Imperial Beach to Rome (Georgia) | 1,837.73 mi (2,957.54 km) |
| Imperial Beach to Rome (New York) | 2,358.69 mi (3,795.95 km) |
