| Le Grand-Saconnex to Noventa Vicentina | 269.17 mi (433.19 km) |
| Le Grand-Saconnex to Novi di Modena | 249.21 mi (401.07 km) |
| Le Grand-Saconnex to Novi Ligure | 164.55 mi (264.81 km) |
| Le Grand-Saconnex to Nuoro | 439.56 mi (707.40 km) |
| Le Grand-Saconnex to Occhiobello | 279.31 mi (449.50 km) |
| Le Grand-Saconnex to Oderzo | 307.50 mi (494.87 km) |
| Le Grand-Saconnex to Oggiono | 158.24 mi (254.66 km) |
| Le Grand-Saconnex to Olbia | 404.40 mi (650.82 km) |
| Le Grand-Saconnex to Oleggio | 128.63 mi (207.01 km) |
| Le Grand-Saconnex to Olgiate Comasco | 140.25 mi (225.71 km) |
| Le Grand-Saconnex to Olgiate Olona | 139.25 mi (224.10 km) |
| Le Grand-Saconnex to Omegna | 112.51 mi (181.08 km) |
| Le Grand-Saconnex to Opera | 160.42 mi (258.18 km) |
| Le Grand-Saconnex to Oppeano | 252.52 mi (406.39 km) |
| Le Grand-Saconnex to Orbassano | 109.02 mi (175.45 km) |
