| Cities | Distance |
|---|---|
| Siegen to Oria | 852.87 mi (1,372.56 km) |
| Siegen to Oristano | 758.98 mi (1,221.46 km) |
| Siegen to Orta Nova | 755.01 mi (1,215.07 km) |
| Siegen to Orte | 617.46 mi (993.70 km) |
| Siegen to Ortona | 662.27 mi (1,065.82 km) |
| Siegen to Orvieto | 596.20 mi (959.50 km) |
| Siegen to Orzinuovi | 388.99 mi (626.02 km) |
| Siegen to Osimo | 571.73 mi (920.12 km) |
| Siegen to Ospitaletto | 380.07 mi (611.66 km) |
| Siegen to Ostuni | 837.57 mi (1,347.95 km) |
| Siegen to Ottaviano | 759.02 mi (1,221.52 km) |
| Siegen to Ovada | 432.41 mi (695.90 km) |
| Siegen to Ozieri | 713.12 mi (1,147.66 km) |
| Siegen to Paceco | 918.48 mi (1,478.15 km) |
| Siegen to Pachino | 1,039.41 mi (1,672.78 km) |