| Grand Junction to Noventa Vicentina | 5,525.47 mi (8,892.38 km) |
| Grand Junction to Novi di Modena | 5,524.02 mi (8,890.04 km) |
| Grand Junction to Novi Ligure | 5,458.71 mi (8,784.94 km) |
| Grand Junction to Nuoro | 5,698.27 mi (9,170.47 km) |
| Grand Junction to Occhiobello | 5,545.35 mi (8,924.38 km) |
| Grand Junction to Oderzo | 5,531.73 mi (8,902.45 km) |
| Grand Junction to Oggiono | 5,427.49 mi (8,734.70 km) |
| Grand Junction to Olbia | 5,674.37 mi (9,132.02 km) |
| Grand Junction to Oleggio | 5,412.21 mi (8,710.11 km) |
| Grand Junction to Olgiate Comasco | 5,414.54 mi (8,713.86 km) |
| Grand Junction to Olgiate Olona | 5,419.08 mi (8,721.17 km) |
| Grand Junction to Omegna | 5,390.89 mi (8,675.80 km) |
| Grand Junction to Opera | 5,442.72 mi (8,759.20 km) |
| Grand Junction to Oppeano | 5,513.00 mi (8,872.32 km) |
| Grand Junction to Orbassano | 5,403.36 mi (8,695.87 km) |
