| Sonoma to Chivasso | 5,895.40 mi (9,487.73 km) |
| Sonoma to Ciampino | 6,222.97 mi (10,014.90 km) |
| Sonoma to Cicciano | 6,325.86 mi (10,180.49 km) |
| Sonoma to Cingoli | 6,149.96 mi (9,897.41 km) |
| Sonoma to Cinisello Balsamo | 5,913.79 mi (9,517.32 km) |
| Sonoma to Cinisi | 6,446.86 mi (10,375.22 km) |
| Sonoma to Cirie | 5,884.55 mi (9,470.27 km) |
| Sonoma to Ciro Marina | 6,491.54 mi (10,447.12 km) |
| Sonoma to Cislago | 5,901.08 mi (9,496.88 km) |
| Sonoma to Cisterna di Latina | 6,241.52 mi (10,044.76 km) |
| Sonoma to Cisternino | 6,418.59 mi (10,329.72 km) |
| Sonoma to Citta di Castello | 6,117.54 mi (9,845.22 km) |
| Sonoma to Citta Sant'Angelo | 6,222.17 mi (10,013.62 km) |
| Sonoma to Cittadella | 5,979.57 mi (9,623.19 km) |
| Sonoma to Cittanova | 6,522.91 mi (10,497.61 km) |
