| Spanish Lake to Opwijk | 4,374.90 mi (7,040.72 km) |
| Spanish Lake to Ostend | 4,318.28 mi (6,949.59 km) |
| Spanish Lake to Oud-Heverlee | 4,397.76 mi (7,077.51 km) |
| Spanish Lake to Oud-Turnhout | 4,393.01 mi (7,069.87 km) |
| Spanish Lake to Oudenaarde | 4,356.72 mi (7,011.46 km) |
| Spanish Lake to Oudenburg | 4,322.75 mi (6,956.79 km) |
| Spanish Lake to Oupeye | 4,438.97 mi (7,143.83 km) |
| Spanish Lake to Overijse | 4,394.43 mi (7,072.15 km) |
| Spanish Lake to Overpelt | 4,412.69 mi (7,101.54 km) |
| Spanish Lake to Paal | 4,409.72 mi (7,096.75 km) |
| Spanish Lake to Peer | 4,416.99 mi (7,108.46 km) |
| Spanish Lake to Pepinster | 4,450.50 mi (7,162.39 km) |
| Spanish Lake to Peruwelz | 4,367.36 mi (7,028.59 km) |
| Spanish Lake to Perwez | 4,410.61 mi (7,098.18 km) |
| Spanish Lake to Philippeville | 4,415.21 mi (7,105.60 km) |
