| Piedras Blancas to Rockville (Maryland) | 3,591.56 mi (5,780.06 km) |
| Piedras Blancas to Rockville Centre (New York) | 3,375.60 mi (5,432.50 km) |
| Piedras Blancas to Rockwall (Texas) | 4,719.78 mi (7,595.75 km) |
| Piedras Blancas to Rocky Mount (North Carolina) | 3,731.68 mi (6,005.56 km) |
| Piedras Blancas to Rocky Point (New York) | 3,334.38 mi (5,366.16 km) |
| Piedras Blancas to Rocky River (Ohio) | 3,725.84 mi (5,996.16 km) |
| Piedras Blancas to Roessleville (New York) | 3,320.59 mi (5,343.97 km) |
| Piedras Blancas to Rogers (Arkansas) | 4,473.20 mi (7,198.93 km) |
| Piedras Blancas to Rogers (Minnesota) | 4,098.68 mi (6,596.20 km) |
| Piedras Blancas to Rohnert Park (California) | 5,534.03 mi (8,906.17 km) |
| Piedras Blancas to Rolla (Missouri) | 4,300.44 mi (6,920.89 km) |
| Piedras Blancas to Rolling Meadows (Illinois) | 3,978.13 mi (6,402.19 km) |
| Piedras Blancas to Roma (Texas) | 5,126.74 mi (8,250.68 km) |
| Piedras Blancas to Rome (Georgia) | 4,145.10 mi (6,670.89 km) |
| Piedras Blancas to Rome (New York) | 3,381.96 mi (5,442.73 km) |
