| Piedras Blancas to Opwijk | 697.90 mi (1,123.16 km) |
| Piedras Blancas to Ostend | 672.52 mi (1,082.32 km) |
| Piedras Blancas to Oud-Heverlee | 707.32 mi (1,138.32 km) |
| Piedras Blancas to Oud-Turnhout | 739.78 mi (1,190.57 km) |
| Piedras Blancas to Oudenaarde | 674.00 mi (1,084.70 km) |
| Piedras Blancas to Oudenburg | 672.65 mi (1,082.53 km) |
| Piedras Blancas to Oupeye | 734.79 mi (1,182.53 km) |
| Piedras Blancas to Overijse | 700.66 mi (1,127.61 km) |
| Piedras Blancas to Overpelt | 749.30 mi (1,205.88 km) |
| Piedras Blancas to Paal | 733.29 mi (1,180.12 km) |
| Piedras Blancas to Peer | 746.78 mi (1,201.82 km) |
| Piedras Blancas to Pepinster | 734.93 mi (1,182.76 km) |
| Piedras Blancas to Peruwelz | 657.48 mi (1,058.12 km) |
| Piedras Blancas to Perwez | 702.87 mi (1,131.16 km) |
| Piedras Blancas to Philippeville | 675.28 mi (1,086.76 km) |
