| Cities | Distance |
|---|---|
| Altena to Novi di Modena | 467.02 mi (751.59 km) |
| Altena to Novi Ligure | 454.86 mi (732.02 km) |
| Altena to Nuoro | 763.05 mi (1,228.01 km) |
| Altena to Occhiobello | 476.09 mi (766.20 km) |
| Altena to Oderzo | 440.41 mi (708.77 km) |
| Altena to Oggiono | 388.84 mi (625.77 km) |
| Altena to Olbia | 722.71 mi (1,163.09 km) |
| Altena to Oleggio | 396.31 mi (637.79 km) |
| Altena to Olgiate Comasco | 385.76 mi (620.82 km) |
| Altena to Olgiate Olona | 395.46 mi (636.44 km) |
| Altena to Omegna | 376.14 mi (605.33 km) |
| Altena to Opera | 414.93 mi (667.76 km) |
| Altena to Oppeano | 444.82 mi (715.87 km) |
| Altena to Orbassano | 434.82 mi (699.78 km) |
| Altena to Orbetello | 634.51 mi (1,021.14 km) |