| Westphalia to Opwijk | 3,847.48 mi (6,191.91 km) |
| Westphalia to Ostend | 3,789.85 mi (6,099.18 km) |
| Westphalia to Oud-Heverlee | 3,870.45 mi (6,228.89 km) |
| Westphalia to Oud-Turnhout | 3,870.90 mi (6,229.61 km) |
| Westphalia to Oudenaarde | 3,826.69 mi (6,158.47 km) |
| Westphalia to Oudenburg | 3,794.15 mi (6,106.09 km) |
| Westphalia to Oupeye | 3,913.24 mi (6,297.75 km) |
| Westphalia to Overijse | 3,866.32 mi (6,222.24 km) |
| Westphalia to Overpelt | 3,890.86 mi (6,261.74 km) |
| Westphalia to Paal | 3,885.63 mi (6,253.32 km) |
| Westphalia to Peer | 3,894.51 mi (6,267.61 km) |
| Westphalia to Pepinster | 3,924.01 mi (6,315.08 km) |
| Westphalia to Peruwelz | 3,834.32 mi (6,170.74 km) |
| Westphalia to Perwez | 3,881.85 mi (6,247.23 km) |
| Westphalia to Philippeville | 3,882.00 mi (6,247.47 km) |
