| Big Spring to Noventa Vicentina | 5,636.72 mi (9,071.43 km) |
| Big Spring to Novi di Modena | 5,628.94 mi (9,058.91 km) |
| Big Spring to Novi Ligure | 5,551.82 mi (8,934.78 km) |
| Big Spring to Nuoro | 5,758.18 mi (9,266.90 km) |
| Big Spring to Occhiobello | 5,653.99 mi (9,099.22 km) |
| Big Spring to Oderzo | 5,651.79 mi (9,095.67 km) |
| Big Spring to Oggiono | 5,531.77 mi (8,902.53 km) |
| Big Spring to Olbia | 5,740.03 mi (9,237.69 km) |
| Big Spring to Oleggio | 5,511.45 mi (8,869.82 km) |
| Big Spring to Olgiate Comasco | 5,516.92 mi (8,878.63 km) |
| Big Spring to Olgiate Olona | 5,519.83 mi (8,883.31 km) |
| Big Spring to Omegna | 5,491.31 mi (8,837.40 km) |
| Big Spring to Opera | 5,543.08 mi (8,920.72 km) |
| Big Spring to Oppeano | 5,622.60 mi (9,048.70 km) |
| Big Spring to Orbassano | 5,492.28 mi (8,838.97 km) |
