| Soma to Chivasso | 1,087.91 mi (1,750.82 km) |
| Soma to Ciampino | 807.86 mi (1,300.13 km) |
| Soma to Cicciano | 701.42 mi (1,128.83 km) |
| Soma to Cingoli | 799.83 mi (1,287.20 km) |
| Soma to Cinisello Balsamo | 1,033.47 mi (1,663.22 km) |
| Soma to Cinisi | 784.93 mi (1,263.23 km) |
| Soma to Cirie | 1,102.18 mi (1,773.79 km) |
| Soma to Ciro Marina | 560.39 mi (901.86 km) |
| Soma to Cislago | 1,047.13 mi (1,685.20 km) |
| Soma to Cisterna di Latina | 794.28 mi (1,278.28 km) |
| Soma to Cisternino | 549.02 mi (883.57 km) |
| Soma to Citta di Castello | 848.60 mi (1,365.68 km) |
| Soma to Citta Sant'Angelo | 744.01 mi (1,197.37 km) |
| Soma to Cittadella | 920.11 mi (1,480.78 km) |
| Soma to Cittanova | 623.16 mi (1,002.88 km) |
