| Cities | Distance |
|---|---|
| Altena to Oria | 885.06 mi (1,424.36 km) |
| Altena to Oristano | 788.51 mi (1,268.99 km) |
| Altena to Orta Nova | 787.47 mi (1,267.32 km) |
| Altena to Orte | 649.81 mi (1,045.78 km) |
| Altena to Ortona | 694.81 mi (1,118.18 km) |
| Altena to Orvieto | 628.51 mi (1,011.49 km) |
| Altena to Orzinuovi | 420.67 mi (677.01 km) |
| Altena to Osimo | 604.28 mi (972.49 km) |
| Altena to Ospitaletto | 411.91 mi (662.91 km) |
| Altena to Ostuni | 869.73 mi (1,399.69 km) |
| Altena to Ottaviano | 791.56 mi (1,273.90 km) |
| Altena to Ovada | 462.43 mi (744.21 km) |
| Altena to Ozieri | 743.09 mi (1,195.88 km) |
| Altena to Paceco | 950.35 mi (1,529.44 km) |
| Altena to Pachino | 1,071.83 mi (1,724.95 km) |