| Piedras Blancas to Robertsville (New Jersey) | 3,416.50 mi (5,498.33 km) |
| Piedras Blancas to Robinson (Texas) | 4,814.66 mi (7,748.45 km) |
| Piedras Blancas to Robstown (Texas) | 5,002.28 mi (8,050.39 km) |
| Piedras Blancas to Rochester (Michigan) | 3,741.07 mi (6,020.67 km) |
| Piedras Blancas to Rochester (Minnesota) | 4,096.84 mi (6,593.23 km) |
| Piedras Blancas to Rochester (New Hampshire) | 3,173.87 mi (5,107.86 km) |
| Piedras Blancas to Rochester (New York) | 3,479.72 mi (5,600.06 km) |
| Piedras Blancas to Rochester Hills (Michigan) | 3,743.44 mi (6,024.48 km) |
| Piedras Blancas to Rock Hill (South Carolina) | 3,922.69 mi (6,312.96 km) |
| Piedras Blancas to Rock Island (Illinois) | 4,111.75 mi (6,617.23 km) |
| Piedras Blancas to Rock Springs (Wyoming) | 4,873.18 mi (7,842.62 km) |
| Piedras Blancas to Rockford (Illinois) | 4,016.52 mi (6,463.97 km) |
| Piedras Blancas to Rockledge (Florida) | 4,170.23 mi (6,711.34 km) |
| Piedras Blancas to Rocklin (California) | 5,458.45 mi (8,784.53 km) |
| Piedras Blancas to Rockport (Texas) | 4,964.00 mi (7,988.79 km) |
