| Winterthur to Opwijk | 315.25 mi (507.35 km) |
| Winterthur to Ostend | 366.72 mi (590.18 km) |
| Winterthur to Oud-Heverlee | 294.44 mi (473.86 km) |
| Winterthur to Oud-Turnhout | 312.85 mi (503.48 km) |
| Winterthur to Oudenaarde | 327.38 mi (526.87 km) |
| Winterthur to Oudenburg | 362.17 mi (582.85 km) |
| Winterthur to Oupeye | 261.96 mi (421.59 km) |
| Winterthur to Overijse | 295.63 mi (475.77 km) |
| Winterthur to Overpelt | 296.91 mi (477.83 km) |
| Winterthur to Paal | 292.38 mi (470.54 km) |
| Winterthur to Peer | 291.13 mi (468.53 km) |
| Winterthur to Pepinster | 249.61 mi (401.71 km) |
| Winterthur to Peruwelz | 312.69 mi (503.22 km) |
| Winterthur to Perwez | 279.24 mi (449.39 km) |
| Winterthur to Philippeville | 266.24 mi (428.47 km) |
