| Winterthur to Octeville | 496.05 mi (798.31 km) |
| Winterthur to Oignies | 331.11 mi (532.87 km) |
| Winterthur to Oissel | 372.43 mi (599.36 km) |
| Winterthur to Olivet | 318.51 mi (512.60 km) |
| Winterthur to Ollioules | 332.10 mi (534.46 km) |
| Winterthur to Olonne-sur-Mer | 498.74 mi (802.64 km) |
| Winterthur to Oloron-Sainte-Marie | 541.61 mi (871.63 km) |
| Winterthur to Onet Village | 365.58 mi (588.35 km) |
| Winterthur to Onnaing | 306.55 mi (493.34 km) |
| Winterthur to Orange | 299.12 mi (481.39 km) |
| Winterthur to Orchies | 322.51 mi (519.04 km) |
| Winterthur to Orleans | 318.23 mi (512.14 km) |
| Winterthur to Orly | 304.52 mi (490.08 km) |
| Winterthur to Ormesson-sur-Marne | 298.83 mi (480.92 km) |
| Winterthur to Orsay | 312.89 mi (503.54 km) |
