| Gladstone to Noventa Vicentina | 5,019.93 mi (8,078.79 km) |
| Gladstone to Novi di Modena | 5,012.64 mi (8,067.06 km) |
| Gladstone to Novi Ligure | 4,936.54 mi (7,944.59 km) |
| Gladstone to Nuoro | 5,147.59 mi (8,284.25 km) |
| Gladstone to Occhiobello | 5,037.41 mi (8,106.92 km) |
| Gladstone to Oderzo | 5,034.42 mi (8,102.12 km) |
| Gladstone to Oggiono | 4,915.43 mi (7,910.62 km) |
| Gladstone to Olbia | 5,128.51 mi (8,253.55 km) |
| Gladstone to Oleggio | 4,895.53 mi (7,878.60 km) |
| Gladstone to Olgiate Comasco | 4,900.73 mi (7,886.97 km) |
| Gladstone to Olgiate Olona | 4,903.78 mi (7,891.88 km) |
| Gladstone to Omegna | 4,875.26 mi (7,845.98 km) |
| Gladstone to Opera | 4,927.09 mi (7,929.39 km) |
| Gladstone to Oppeano | 5,005.92 mi (8,056.25 km) |
| Gladstone to Orbassano | 4,877.38 mi (7,849.38 km) |
