| Mendrisio to Opwijk | 415.27 mi (668.32 km) |
| Mendrisio to Ostend | 462.31 mi (744.01 km) |
| Mendrisio to Oud-Heverlee | 396.13 mi (637.50 km) |
| Mendrisio to Oud-Turnhout | 418.43 mi (673.39 km) |
| Mendrisio to Oudenaarde | 423.59 mi (681.69 km) |
| Mendrisio to Oudenburg | 457.83 mi (736.80 km) |
| Mendrisio to Oupeye | 367.99 mi (592.22 km) |
| Mendrisio to Overijse | 396.31 mi (637.79 km) |
| Mendrisio to Overpelt | 403.93 mi (650.07 km) |
| Mendrisio to Paal | 397.63 mi (639.92 km) |
| Mendrisio to Peer | 398.01 mi (640.53 km) |
| Mendrisio to Pepinster | 355.88 mi (572.73 km) |
| Mendrisio to Peruwelz | 406.08 mi (653.52 km) |
| Mendrisio to Perwez | 380.42 mi (612.23 km) |
| Mendrisio to Philippeville | 362.62 mi (583.58 km) |
