| Vianden to Noventa Vicentina | 405.71 mi (652.93 km) |
| Vianden to Novi di Modena | 411.43 mi (662.13 km) |
| Vianden to Novi Ligure | 377.28 mi (607.17 km) |
| Vianden to Nuoro | 681.55 mi (1,096.85 km) |
| Vianden to Occhiobello | 427.56 mi (688.09 km) |
| Vianden to Oderzo | 408.68 mi (657.70 km) |
| Vianden to Oggiono | 321.57 mi (517.52 km) |
| Vianden to Olbia | 642.97 mi (1,034.76 km) |
| Vianden to Oleggio | 319.87 mi (514.78 km) |
| Vianden to Olgiate Comasco | 313.94 mi (505.23 km) |
| Vianden to Olgiate Olona | 321.99 mi (518.20 km) |
| Vianden to Omegna | 298.12 mi (479.77 km) |
| Vianden to Opera | 344.10 mi (553.78 km) |
| Vianden to Oppeano | 395.03 mi (635.74 km) |
| Vianden to Orbassano | 345.98 mi (556.79 km) |
