| Piedras Blancas to Ridgeland (Mississippi) | 4,451.76 mi (7,164.41 km) |
| Piedras Blancas to Ridgewood (New Jersey) | 3,387.69 mi (5,451.96 km) |
| Piedras Blancas to Rifle (Colorado) | 4,910.48 mi (7,902.65 km) |
| Piedras Blancas to Rincon (Georgia) | 4,034.81 mi (6,493.40 km) |
| Piedras Blancas to Ringwood (New Jersey) | 3,391.32 mi (5,457.79 km) |
| Piedras Blancas to Río Grande (Puerto Rico) | 3,853.18 mi (6,201.10 km) |
| Piedras Blancas to Rio Grande City (Texas) | 5,119.77 mi (8,239.47 km) |
| Piedras Blancas to Rio Linda (California) | 5,471.56 mi (8,805.63 km) |
| Piedras Blancas to Rio Rancho (New Mexico) | 5,061.75 mi (8,146.09 km) |
| Piedras Blancas to Rio Rico (Arizona) | 5,421.42 mi (8,724.93 km) |
| Piedras Blancas to Ripon (California) | 5,509.05 mi (8,865.96 km) |
| Piedras Blancas to River Edge (New Jersey) | 3,385.99 mi (5,449.22 km) |
| Piedras Blancas to River Falls (Wisconsin) | 4,071.51 mi (6,552.46 km) |
| Piedras Blancas to River Forest (Illinois) | 3,975.68 mi (6,398.25 km) |
| Piedras Blancas to River Grove (Illinois) | 3,975.43 mi (6,397.83 km) |
