| Horgen to Octeville | 496.48 mi (799.01 km) |
| Horgen to Oignies | 337.31 mi (542.84 km) |
| Horgen to Oissel | 373.48 mi (601.06 km) |
| Horgen to Olivet | 314.94 mi (506.85 km) |
| Horgen to Ollioules | 315.04 mi (507.01 km) |
| Horgen to Olonne-sur-Mer | 491.91 mi (791.65 km) |
| Horgen to Oloron-Sainte-Marie | 528.50 mi (850.54 km) |
| Horgen to Onet Village | 351.75 mi (566.08 km) |
| Horgen to Onnaing | 313.35 mi (504.28 km) |
| Horgen to Orange | 283.08 mi (455.57 km) |
| Horgen to Orchies | 329.05 mi (529.56 km) |
| Horgen to Orleans | 314.80 mi (506.62 km) |
| Horgen to Orly | 304.45 mi (489.96 km) |
| Horgen to Ormesson-sur-Marne | 299.02 mi (481.23 km) |
| Horgen to Orsay | 312.51 mi (502.93 km) |
