| Welby to Opwijk | 4,849.14 mi (7,803.94 km) |
| Welby to Ostend | 4,795.30 mi (7,717.28 km) |
| Welby to Oud-Heverlee | 4,871.23 mi (7,839.49 km) |
| Welby to Oud-Turnhout | 4,860.33 mi (7,821.95 km) |
| Welby to Oudenaarde | 4,834.62 mi (7,780.56 km) |
| Welby to Oudenburg | 4,799.86 mi (7,724.62 km) |
| Welby to Oupeye | 4,909.38 mi (7,900.89 km) |
| Welby to Overijse | 4,868.97 mi (7,835.86 km) |
| Welby to Overpelt | 4,879.11 mi (7,852.17 km) |
| Welby to Paal | 4,878.95 mi (7,851.92 km) |
| Welby to Peer | 4,884.08 mi (7,860.17 km) |
| Welby to Pepinster | 4,921.53 mi (7,920.43 km) |
| Welby to Peruwelz | 4,848.62 mi (7,803.10 km) |
| Welby to Perwez | 4,885.49 mi (7,862.43 km) |
| Welby to Philippeville | 4,895.40 mi (7,878.38 km) |
