| Casorate Primo to Opwijk | 449.27 mi (723.04 km) |
| Casorate Primo to Ostend | 494.92 mi (796.50 km) |
| Casorate Primo to Oud-Heverlee | 430.64 mi (693.05 km) |
| Casorate Primo to Oud-Turnhout | 453.92 mi (730.52 km) |
| Casorate Primo to Oudenaarde | 456.53 mi (734.71 km) |
| Casorate Primo to Oudenburg | 490.48 mi (789.35 km) |
| Casorate Primo to Oupeye | 403.73 mi (649.75 km) |
| Casorate Primo to Overijse | 430.55 mi (692.91 km) |
| Casorate Primo to Overpelt | 439.86 mi (707.88 km) |
| Casorate Primo to Paal | 433.09 mi (696.99 km) |
| Casorate Primo to Peer | 433.90 mi (698.30 km) |
| Casorate Primo to Pepinster | 391.72 mi (630.41 km) |
| Casorate Primo to Peruwelz | 438.36 mi (705.48 km) |
| Casorate Primo to Perwez | 414.87 mi (667.67 km) |
| Casorate Primo to Philippeville | 395.92 mi (637.17 km) |
