| Sigmaringen to Ciampino | 464.70 mi (747.86 km) |
| Sigmaringen to Cicciano | 556.99 mi (896.38 km) |
| Sigmaringen to Cingoli | 378.80 mi (609.61 km) |
| Sigmaringen to Cinisello Balsamo | 175.27 mi (282.07 km) |
| Sigmaringen to Cinisi | 712.59 mi (1,146.80 km) |
| Sigmaringen to Cirie | 211.38 mi (340.18 km) |
| Sigmaringen to Ciro Marina | 719.41 mi (1,157.79 km) |
| Sigmaringen to Cislago | 168.77 mi (271.61 km) |
| Sigmaringen to Cisterna di Latina | 482.31 mi (776.20 km) |
| Sigmaringen to Cisternino | 649.31 mi (1,044.96 km) |
| Sigmaringen to Citta di Castello | 351.27 mi (565.32 km) |
| Sigmaringen to Citta Sant'Angelo | 450.66 mi (725.27 km) |
| Sigmaringen to Cittadella | 207.45 mi (333.86 km) |
| Sigmaringen to Cittanova | 755.65 mi (1,216.11 km) |
| Sigmaringen to Cividale del Friuli | 241.17 mi (388.12 km) |
