| Billings to Noventa Vicentina | 5,163.25 mi (8,309.45 km) |
| Billings to Novi di Modena | 5,164.88 mi (8,312.07 km) |
| Billings to Novi Ligure | 5,105.98 mi (8,217.29 km) |
| Billings to Nuoro | 5,360.20 mi (8,626.40 km) |
| Billings to Occhiobello | 5,184.22 mi (8,343.20 km) |
| Billings to Oderzo | 5,165.25 mi (8,312.66 km) |
| Billings to Oggiono | 5,069.52 mi (8,158.60 km) |
| Billings to Olbia | 5,333.56 mi (8,583.53 km) |
| Billings to Oleggio | 5,056.86 mi (8,138.23 km) |
| Billings to Olgiate Comasco | 5,057.61 mi (8,139.44 km) |
| Billings to Olgiate Olona | 5,062.92 mi (8,147.99 km) |
| Billings to Omegna | 5,035.16 mi (8,103.30 km) |
| Billings to Opera | 5,086.54 mi (8,185.99 km) |
| Billings to Oppeano | 5,151.69 mi (8,290.84 km) |
| Billings to Orbassano | 5,053.24 mi (8,132.41 km) |
