| Kingston upon Thames to Opwijk | 196.50 mi (316.24 km) |
| Kingston upon Thames to Ostend | 139.57 mi (224.62 km) |
| Kingston upon Thames to Oud-Heverlee | 218.99 mi (352.42 km) |
| Kingston upon Thames to Oud-Turnhout | 227.94 mi (366.84 km) |
| Kingston upon Thames to Oudenaarde | 173.43 mi (279.11 km) |
| Kingston upon Thames to Oudenburg | 143.40 mi (230.77 km) |
| Kingston upon Thames to Oupeye | 262.51 mi (422.46 km) |
| Kingston upon Thames to Overijse | 214.09 mi (344.54 km) |
| Kingston upon Thames to Overpelt | 247.17 mi (397.78 km) |
| Kingston upon Thames to Paal | 238.12 mi (383.21 km) |
| Kingston upon Thames to Peer | 249.36 mi (401.31 km) |
| Kingston upon Thames to Pepinster | 272.23 mi (438.12 km) |
| Kingston upon Thames to Peruwelz | 179.86 mi (289.46 km) |
| Kingston upon Thames to Perwez | 228.79 mi (368.21 km) |
| Kingston upon Thames to Philippeville | 227.61 mi (366.30 km) |
