| Heckmondwike to Opwijk | 311.18 mi (500.80 km) |
| Heckmondwike to Ostend | 258.23 mi (415.59 km) |
| Heckmondwike to Oud-Heverlee | 333.31 mi (536.41 km) |
| Heckmondwike to Oud-Turnhout | 324.72 mi (522.59 km) |
| Heckmondwike to Oudenaarde | 297.56 mi (478.87 km) |
| Heckmondwike to Oudenburg | 262.79 mi (422.91 km) |
| Heckmondwike to Oupeye | 372.32 mi (599.18 km) |
| Heckmondwike to Overijse | 331.01 mi (532.72 km) |
| Heckmondwike to Overpelt | 344.20 mi (553.94 km) |
| Heckmondwike to Paal | 342.29 mi (550.87 km) |
| Heckmondwike to Peer | 348.71 mi (561.19 km) |
| Heckmondwike to Pepinster | 384.28 mi (618.43 km) |
| Heckmondwike to Peruwelz | 313.38 mi (504.34 km) |
| Heckmondwike to Perwez | 347.53 mi (559.29 km) |
| Heckmondwike to Philippeville | 358.78 mi (577.41 km) |
