| Union Hill-Novelty Hill to Opwijk | 4,912.85 mi (7,906.48 km) |
| Union Hill-Novelty Hill to Ostend | 4,866.47 mi (7,831.82 km) |
| Union Hill-Novelty Hill to Oud-Heverlee | 4,932.46 mi (7,938.03 km) |
| Union Hill-Novelty Hill to Oud-Turnhout | 4,912.82 mi (7,906.41 km) |
| Union Hill-Novelty Hill to Oudenaarde | 4,904.79 mi (7,893.50 km) |
| Union Hill-Novelty Hill to Oudenburg | 4,870.89 mi (7,838.94 km) |
| Union Hill-Novelty Hill to Oupeye | 4,963.70 mi (7,988.31 km) |
| Union Hill-Novelty Hill to Overijse | 4,931.98 mi (7,937.26 km) |
| Union Hill-Novelty Hill to Overpelt | 4,929.12 mi (7,932.65 km) |
| Union Hill-Novelty Hill to Paal | 4,933.26 mi (7,939.32 km) |
| Union Hill-Novelty Hill to Peer | 4,934.81 mi (7,941.81 km) |
| Union Hill-Novelty Hill to Pepinster | 4,976.07 mi (8,008.21 km) |
| Union Hill-Novelty Hill to Peruwelz | 4,923.15 mi (7,923.05 km) |
| Union Hill-Novelty Hill to Perwez | 4,948.04 mi (7,963.10 km) |
| Union Hill-Novelty Hill to Philippeville | 4,965.52 mi (7,991.23 km) |
