| Siegen to Ciampino | 664.25 mi (1,069.00 km) |
| Siegen to Cicciano | 752.64 mi (1,211.26 km) |
| Siegen to Cingoli | 573.65 mi (923.20 km) |
| Siegen to Cinisello Balsamo | 372.60 mi (599.64 km) |
| Siegen to Cinisi | 913.05 mi (1,469.42 km) |
| Siegen to Cirie | 390.71 mi (628.79 km) |
| Siegen to Ciro Marina | 909.54 mi (1,463.76 km) |
| Siegen to Cislago | 364.21 mi (586.14 km) |
| Siegen to Cisterna di Latina | 681.61 mi (1,096.94 km) |
| Siegen to Cisternino | 833.68 mi (1,341.67 km) |
| Siegen to Citta di Castello | 549.70 mi (884.66 km) |
| Siegen to Citta Sant'Angelo | 644.38 mi (1,037.03 km) |
| Siegen to Cittadella | 400.81 mi (645.04 km) |
| Siegen to Cittanova | 951.16 mi (1,530.74 km) |
| Siegen to Cividale del Friuli | 412.97 mi (664.61 km) |
