| Ashburn to Noventa Vicentina | 4,339.70 mi (6,984.08 km) |
| Ashburn to Novi di Modena | 4,325.84 mi (6,961.77 km) |
| Ashburn to Novi Ligure | 4,239.15 mi (6,822.25 km) |
| Ashburn to Nuoro | 4,412.87 mi (7,101.82 km) |
| Ashburn to Occhiobello | 4,353.96 mi (7,007.02 km) |
| Ashburn to Oderzo | 4,363.37 mi (7,022.17 km) |
| Ashburn to Oggiono | 4,230.35 mi (6,808.09 km) |
| Ashburn to Olbia | 4,399.61 mi (7,080.48 km) |
| Ashburn to Oleggio | 4,205.57 mi (6,768.21 km) |
| Ashburn to Olgiate Comasco | 4,213.99 mi (6,781.76 km) |
| Ashburn to Olgiate Olona | 4,215.22 mi (6,783.74 km) |
| Ashburn to Omegna | 4,187.04 mi (6,738.40 km) |
| Ashburn to Opera | 4,237.54 mi (6,819.67 km) |
| Ashburn to Oppeano | 4,324.27 mi (6,959.25 km) |
| Ashburn to Orbassano | 4,177.03 mi (6,722.27 km) |
