| Sonneberg to Ciampino | 594.70 mi (957.07 km) |
| Sonneberg to Cicciano | 668.21 mi (1,075.38 km) |
| Sonneberg to Cingoli | 492.07 mi (791.91 km) |
| Sonneberg to Cinisello Balsamo | 343.67 mi (553.09 km) |
| Sonneberg to Cinisi | 847.12 mi (1,363.32 km) |
| Sonneberg to Cirie | 390.13 mi (627.85 km) |
| Sonneberg to Ciro Marina | 812.26 mi (1,307.20 km) |
| Sonneberg to Cislago | 340.25 mi (547.58 km) |
| Sonneberg to Cisterna di Latina | 610.40 mi (982.34 km) |
| Sonneberg to Cisternino | 729.74 mi (1,174.40 km) |
| Sonneberg to Citta di Castello | 478.69 mi (770.38 km) |
| Sonneberg to Citta Sant'Angelo | 558.26 mi (898.43 km) |
| Sonneberg to Cittadella | 325.98 mi (524.62 km) |
| Sonneberg to Cittanova | 863.48 mi (1,389.63 km) |
| Sonneberg to Cividale del Friuli | 311.59 mi (501.46 km) |
