| Le Grand-Saconnex to Nasaud | 866.77 mi (1,394.94 km) |
| Le Grand-Saconnex to Navodari | 1,097.97 mi (1,767.02 km) |
| Le Grand-Saconnex to Negresti-Oas | 820.80 mi (1,320.96 km) |
| Le Grand-Saconnex to Nehoiu | 971.84 mi (1,564.03 km) |
| Le Grand-Saconnex to Ocna Mures | 845.09 mi (1,360.05 km) |
| Le Grand-Saconnex to Odobesti | 1,003.11 mi (1,614.35 km) |
| Le Grand-Saconnex to Odorheiu Secuiesc | 914.02 mi (1,470.97 km) |
| Le Grand-Saconnex to Oltenita | 1,007.76 mi (1,621.84 km) |
| Le Grand-Saconnex to Onesti | 984.03 mi (1,583.64 km) |
| Le Grand-Saconnex to Oradea | 750.51 mi (1,207.82 km) |
| Le Grand-Saconnex to Orastie | 818.16 mi (1,316.70 km) |
| Le Grand-Saconnex to Oravita | 755.39 mi (1,215.69 km) |
| Le Grand-Saconnex to Orsova | 794.09 mi (1,277.96 km) |
| Le Grand-Saconnex to Otelu Rosu | 781.21 mi (1,257.23 km) |
| Le Grand-Saconnex to Otopeni | 972.50 mi (1,565.09 km) |
