| Trofarello to Opwijk | 444.69 mi (715.67 km) |
| Trofarello to Ostend | 484.89 mi (780.35 km) |
| Trofarello to Oud-Heverlee | 428.32 mi (689.32 km) |
| Trofarello to Oud-Turnhout | 455.50 mi (733.06 km) |
| Trofarello to Oudenaarde | 448.09 mi (721.13 km) |
| Trofarello to Oudenburg | 480.63 mi (773.50 km) |
| Trofarello to Oupeye | 407.22 mi (655.35 km) |
| Trofarello to Overijse | 427.19 mi (687.49 km) |
| Trofarello to Overpelt | 443.69 mi (714.05 km) |
| Trofarello to Paal | 434.77 mi (699.69 km) |
| Trofarello to Peer | 437.68 mi (704.38 km) |
| Trofarello to Pepinster | 395.87 mi (637.09 km) |
| Trofarello to Peruwelz | 428.01 mi (688.82 km) |
| Trofarello to Perwez | 412.52 mi (663.88 km) |
| Trofarello to Philippeville | 389.67 mi (627.12 km) |
