| Langenthal to Opwijk | 305.96 mi (492.40 km) |
| Langenthal to Ostend | 353.26 mi (568.52 km) |
| Langenthal to Oud-Heverlee | 286.96 mi (461.81 km) |
| Langenthal to Oud-Turnhout | 310.08 mi (499.03 km) |
| Langenthal to Oudenaarde | 314.42 mi (506.01 km) |
| Langenthal to Oudenburg | 348.77 mi (561.28 km) |
| Langenthal to Oupeye | 260.02 mi (418.46 km) |
| Langenthal to Overijse | 287.04 mi (461.95 km) |
| Langenthal to Overpelt | 296.25 mi (476.77 km) |
| Langenthal to Paal | 289.24 mi (465.48 km) |
| Langenthal to Peer | 290.28 mi (467.16 km) |
| Langenthal to Pepinster | 248.08 mi (399.25 km) |
| Langenthal to Peruwelz | 297.27 mi (478.41 km) |
| Langenthal to Perwez | 271.22 mi (436.48 km) |
| Langenthal to Philippeville | 253.36 mi (407.75 km) |
