| Blankenburg to Opwijk | 297.77 mi (479.21 km) |
| Blankenburg to Ostend | 347.90 mi (559.90 km) |
| Blankenburg to Oud-Heverlee | 279.79 mi (450.28 km) |
| Blankenburg to Oud-Turnhout | 258.89 mi (416.64 km) |
| Blankenburg to Oudenaarde | 324.38 mi (522.04 km) |
| Blankenburg to Oudenburg | 344.97 mi (555.18 km) |
| Blankenburg to Oupeye | 241.91 mi (389.32 km) |
| Blankenburg to Overijse | 286.35 mi (460.84 km) |
| Blankenburg to Overpelt | 241.75 mi (389.07 km) |
| Blankenburg to Paal | 254.80 mi (410.06 km) |
| Blankenburg to Peer | 241.44 mi (388.55 km) |
| Blankenburg to Pepinster | 238.42 mi (383.69 km) |
| Blankenburg to Peruwelz | 331.58 mi (533.63 km) |
| Blankenburg to Perwez | 278.02 mi (447.42 km) |
| Blankenburg to Philippeville | 299.70 mi (482.31 km) |
