| Westhoughton to Opwijk | 335.09 mi (539.27 km) |
| Westhoughton to Ostend | 280.15 mi (450.86 km) |
| Westhoughton to Oud-Heverlee | 357.66 mi (575.60 km) |
| Westhoughton to Oud-Turnhout | 351.81 mi (566.18 km) |
| Westhoughton to Oudenaarde | 319.42 mi (514.06 km) |
| Westhoughton to Oudenburg | 284.70 mi (458.19 km) |
| Westhoughton to Oupeye | 397.99 mi (640.51 km) |
| Westhoughton to Overijse | 354.85 mi (571.08 km) |
| Westhoughton to Overpelt | 371.55 mi (597.96 km) |
| Westhoughton to Paal | 368.50 mi (593.05 km) |
| Westhoughton to Peer | 375.77 mi (604.75 km) |
| Westhoughton to Pepinster | 409.71 mi (659.36 km) |
| Westhoughton to Peruwelz | 333.57 mi (536.82 km) |
| Westhoughton to Perwez | 371.28 mi (597.52 km) |
| Westhoughton to Philippeville | 380.14 mi (611.77 km) |
