| Porta Westfalica to Opwijk | 221.38 mi (356.27 km) |
| Porta Westfalica to Ostend | 266.27 mi (428.52 km) |
| Porta Westfalica to Oud-Heverlee | 206.78 mi (332.78 km) |
| Porta Westfalica to Oud-Turnhout | 179.95 mi (289.61 km) |
| Porta Westfalica to Oudenaarde | 247.84 mi (398.86 km) |
| Porta Westfalica to Oudenburg | 263.83 mi (424.60 km) |
| Porta Westfalica to Oupeye | 175.82 mi (282.95 km) |
| Porta Westfalica to Overijse | 213.55 mi (343.67 km) |
| Porta Westfalica to Overpelt | 165.61 mi (266.52 km) |
| Porta Westfalica to Paal | 180.62 mi (290.68 km) |
| Porta Westfalica to Peer | 166.82 mi (268.47 km) |
| Porta Westfalica to Pepinster | 176.19 mi (283.55 km) |
| Porta Westfalica to Peruwelz | 258.87 mi (416.61 km) |
| Porta Westfalica to Perwez | 208.75 mi (335.94 km) |
| Porta Westfalica to Philippeville | 235.34 mi (378.74 km) |
