| The Mumbles to Opwijk | 356.00 mi (572.92 km) |
| The Mumbles to Ostend | 299.09 mi (481.33 km) |
| The Mumbles to Oud-Heverlee | 378.39 mi (608.96 km) |
| The Mumbles to Oud-Turnhout | 386.98 mi (622.78 km) |
| The Mumbles to Oudenaarde | 332.53 mi (535.16 km) |
| The Mumbles to Oudenburg | 302.93 mi (487.52 km) |
| The Mumbles to Oupeye | 421.92 mi (679.02 km) |
| The Mumbles to Overijse | 373.37 mi (600.88 km) |
| The Mumbles to Overpelt | 406.39 mi (654.02 km) |
| The Mumbles to Paal | 397.63 mi (639.92 km) |
| The Mumbles to Peer | 408.74 mi (657.80 km) |
| The Mumbles to Pepinster | 431.46 mi (694.37 km) |
| The Mumbles to Peruwelz | 337.20 mi (542.68 km) |
| The Mumbles to Perwez | 387.77 mi (624.06 km) |
| The Mumbles to Philippeville | 384.28 mi (618.44 km) |
