| Butte to Noventa Vicentina | 5,278.61 mi (8,495.11 km) |
| Butte to Novi di Modena | 5,281.95 mi (8,500.47 km) |
| Butte to Novi Ligure | 5,226.64 mi (8,411.47 km) |
| Butte to Nuoro | 5,487.62 mi (8,831.46 km) |
| Butte to Occhiobello | 5,300.14 mi (8,529.76 km) |
| Butte to Oderzo | 5,278.18 mi (8,494.41 km) |
| Butte to Oggiono | 5,187.46 mi (8,348.41 km) |
| Butte to Olbia | 5,459.71 mi (8,786.55 km) |
| Butte to Oleggio | 5,176.25 mi (8,330.37 km) |
| Butte to Olgiate Comasco | 5,176.15 mi (8,330.21 km) |
| Butte to Olgiate Olona | 5,181.86 mi (8,339.40 km) |
| Butte to Omegna | 5,154.39 mi (8,295.19 km) |
| Butte to Opera | 5,205.41 mi (8,377.29 km) |
| Butte to Oppeano | 5,267.59 mi (8,477.36 km) |
| Butte to Orbassano | 5,175.39 mi (8,328.99 km) |
