| Sassenburg to Opwijk | 295.87 mi (476.16 km) |
| Sassenburg to Ostend | 340.76 mi (548.40 km) |
| Sassenburg to Oud-Heverlee | 280.75 mi (451.82 km) |
| Sassenburg to Oud-Turnhout | 254.58 mi (409.71 km) |
| Sassenburg to Oudenaarde | 322.39 mi (518.83 km) |
| Sassenburg to Oudenburg | 338.38 mi (544.58 km) |
| Sassenburg to Oupeye | 247.82 mi (398.82 km) |
| Sassenburg to Overijse | 287.51 mi (462.70 km) |
| Sassenburg to Overpelt | 239.94 mi (386.14 km) |
| Sassenburg to Paal | 254.69 mi (409.89 km) |
| Sassenburg to Peer | 240.91 mi (387.70 km) |
| Sassenburg to Pepinster | 246.89 mi (397.33 km) |
| Sassenburg to Peruwelz | 332.95 mi (535.82 km) |
| Sassenburg to Perwez | 281.90 mi (453.68 km) |
| Sassenburg to Philippeville | 307.27 mi (494.51 km) |
