| Horw to Octeville | 491.37 mi (790.78 km) |
| Horw to Oignies | 340.02 mi (547.21 km) |
| Horw to Oissel | 369.41 mi (594.51 km) |
| Horw to Olivet | 305.40 mi (491.49 km) |
| Horw to Ollioules | 293.71 mi (472.68 km) |
| Horw to Olonne-sur-Mer | 478.24 mi (769.65 km) |
| Horw to Oloron-Sainte-Marie | 508.57 mi (818.47 km) |
| Horw to Onet Village | 331.30 mi (533.17 km) |
| Horw to Onnaing | 316.97 mi (510.11 km) |
| Horw to Orange | 261.32 mi (420.55 km) |
| Horw to Orchies | 332.26 mi (534.72 km) |
| Horw to Orleans | 305.43 mi (491.54 km) |
| Horw to Orly | 299.22 mi (481.55 km) |
| Horw to Ormesson-sur-Marne | 294.15 mi (473.39 km) |
| Horw to Orsay | 306.87 mi (493.86 km) |
