| Siegen to Catania | 987.75 mi (1,589.62 km) |
| Siegen to Catanzaro | 926.99 mi (1,491.85 km) |
| Siegen to Cattolica | 526.03 mi (846.56 km) |
| Siegen to Cava de' Tirreni | 772.99 mi (1,244.01 km) |
| Siegen to Cavallino | 878.74 mi (1,414.20 km) |
| Siegen to Cavarzere | 439.08 mi (706.63 km) |
| Siegen to Cave | 668.50 mi (1,075.85 km) |
| Siegen to Cavriago | 442.84 mi (712.68 km) |
| Siegen to Cavriglia | 534.21 mi (859.73 km) |
| Siegen to Cazzago San Martino | 377.76 mi (607.94 km) |
| Siegen to Ceccano | 691.61 mi (1,113.04 km) |
| Siegen to Cecina | 535.78 mi (862.25 km) |
| Siegen to Cefalu | 935.07 mi (1,504.85 km) |
| Siegen to Ceglie Messapico | 840.41 mi (1,352.50 km) |
| Siegen to Celano | 662.04 mi (1,065.45 km) |
