| Altadena to Nasaud | 6,347.14 mi (10,214.74 km) |
| Altadena to Navodari | 6,623.84 mi (10,660.04 km) |
| Altadena to Negresti-Oas | 6,288.98 mi (10,121.14 km) |
| Altadena to Nehoiu | 6,507.82 mi (10,473.32 km) |
| Altadena to Ocna Mures | 6,387.27 mi (10,279.32 km) |
| Altadena to Odobesti | 6,500.32 mi (10,461.26 km) |
| Altadena to Odorheiu Secuiesc | 6,426.31 mi (10,342.15 km) |
| Altadena to Oltenita | 6,592.37 mi (10,609.40 km) |
| Altadena to Onesti | 6,463.63 mi (10,402.21 km) |
| Altadena to Oradea | 6,299.23 mi (10,137.64 km) |
| Altadena to Orastie | 6,403.05 mi (10,304.72 km) |
| Altadena to Oravita | 6,412.02 mi (10,319.16 km) |
| Altadena to Orsova | 6,448.93 mi (10,378.56 km) |
| Altadena to Otelu Rosu | 6,401.23 mi (10,301.79 km) |
| Altadena to Otopeni | 6,550.82 mi (10,542.52 km) |
