| Hoppegarten to Opwijk | 419.28 mi (674.77 km) |
| Hoppegarten to Ostend | 466.61 mi (750.94 km) |
| Hoppegarten to Oud-Heverlee | 402.46 mi (647.70 km) |
| Hoppegarten to Oud-Turnhout | 378.98 mi (609.92 km) |
| Hoppegarten to Oudenaarde | 445.94 mi (717.67 km) |
| Hoppegarten to Oudenburg | 464.03 mi (746.78 km) |
| Hoppegarten to Oupeye | 365.99 mi (589.00 km) |
| Hoppegarten to Overijse | 409.13 mi (658.43 km) |
| Hoppegarten to Overpelt | 363.04 mi (584.25 km) |
| Hoppegarten to Paal | 376.93 mi (606.61 km) |
| Hoppegarten to Peer | 363.31 mi (584.69 km) |
| Hoppegarten to Pepinster | 363.01 mi (584.20 km) |
| Hoppegarten to Peruwelz | 454.59 mi (731.59 km) |
| Hoppegarten to Perwez | 401.69 mi (646.45 km) |
| Hoppegarten to Philippeville | 424.29 mi (682.83 km) |
