| Horgen to Noventa Vicentina | 195.94 mi (315.34 km) |
| Horgen to Novi di Modena | 197.59 mi (317.99 km) |
| Horgen to Novi Ligure | 173.48 mi (279.19 km) |
| Horgen to Nuoro | 481.58 mi (775.03 km) |
| Horgen to Occhiobello | 215.97 mi (347.57 km) |
| Horgen to Oderzo | 211.60 mi (340.53 km) |
| Horgen to Oggiono | 108.52 mi (174.64 km) |
| Horgen to Olbia | 441.00 mi (709.72 km) |
| Horgen to Oleggio | 115.17 mi (185.35 km) |
| Horgen to Olgiate Comasco | 103.96 mi (167.31 km) |
| Horgen to Olgiate Olona | 113.66 mi (182.92 km) |
| Horgen to Omegna | 96.38 mi (155.11 km) |
| Horgen to Opera | 133.41 mi (214.71 km) |
| Horgen to Oppeano | 183.50 mi (295.32 km) |
| Horgen to Orbassano | 164.19 mi (264.24 km) |
