| Hammelburg to Opwijk | 257.73 mi (414.77 km) |
| Hammelburg to Ostend | 315.00 mi (506.94 km) |
| Hammelburg to Oud-Heverlee | 235.33 mi (378.73 km) |
| Hammelburg to Oud-Turnhout | 230.46 mi (370.89 km) |
| Hammelburg to Oudenaarde | 281.48 mi (453.00 km) |
| Hammelburg to Oudenburg | 311.01 mi (500.52 km) |
| Hammelburg to Oupeye | 191.81 mi (308.68 km) |
| Hammelburg to Overijse | 240.50 mi (387.05 km) |
| Hammelburg to Overpelt | 210.49 mi (338.76 km) |
| Hammelburg to Paal | 216.94 mi (349.13 km) |
| Hammelburg to Peer | 207.12 mi (333.32 km) |
| Hammelburg to Pepinster | 182.70 mi (294.02 km) |
| Hammelburg to Peruwelz | 279.97 mi (450.56 km) |
| Hammelburg to Perwez | 226.77 mi (364.95 km) |
| Hammelburg to Philippeville | 236.84 mi (381.16 km) |
