| Altadena to Noventa Vicentina | 6,108.19 mi (9,830.18 km) |
| Altadena to Novi di Modena | 6,109.16 mi (9,831.74 km) |
| Altadena to Novi Ligure | 6,048.56 mi (9,734.21 km) |
| Altadena to Nuoro | 6,297.78 mi (10,135.30 km) |
| Altadena to Occhiobello | 6,128.95 mi (9,863.59 km) |
| Altadena to Oderzo | 6,110.94 mi (9,834.60 km) |
| Altadena to Oggiono | 6,013.47 mi (9,677.75 km) |
| Altadena to Olbia | 6,272.22 mi (10,094.16 km) |
| Altadena to Oleggio | 6,000.14 mi (9,656.29 km) |
| Altadena to Olgiate Comasco | 6,001.30 mi (9,658.16 km) |
| Altadena to Olgiate Olona | 6,006.42 mi (9,666.39 km) |
| Altadena to Omegna | 5,978.52 mi (9,621.50 km) |
| Altadena to Opera | 6,030.05 mi (9,704.43 km) |
| Altadena to Oppeano | 6,096.44 mi (9,811.27 km) |
| Altadena to Orbassano | 5,994.99 mi (9,648.00 km) |
