| Hopa to Noventa Vicentina | 1,516.74 mi (2,440.96 km) |
| Hopa to Novi di Modena | 1,548.12 mi (2,491.46 km) |
| Hopa to Novi Ligure | 1,652.10 mi (2,658.80 km) |
| Hopa to Nuoro | 1,668.89 mi (2,685.83 km) |
| Hopa to Occhiobello | 1,514.80 mi (2,437.83 km) |
| Hopa to Oderzo | 1,470.61 mi (2,366.72 km) |
| Hopa to Oggiono | 1,622.04 mi (2,610.41 km) |
| Hopa to Olbia | 1,651.43 mi (2,657.71 km) |
| Hopa to Oleggio | 1,656.89 mi (2,666.51 km) |
| Hopa to Olgiate Comasco | 1,640.50 mi (2,640.13 km) |
| Hopa to Olgiate Olona | 1,644.75 mi (2,646.97 km) |
| Hopa to Omegna | 1,667.32 mi (2,683.29 km) |
| Hopa to Opera | 1,629.10 mi (2,621.79 km) |
| Hopa to Oppeano | 1,533.74 mi (2,468.32 km) |
| Hopa to Orbassano | 1,712.04 mi (2,755.26 km) |
