| Saint Helens to Chivasso | 743.47 mi (1,196.50 km) |
| Saint Helens to Ciampino | 1,071.96 mi (1,725.15 km) |
| Saint Helens to Cicciano | 1,177.96 mi (1,895.75 km) |
| Saint Helens to Cingoli | 1,006.51 mi (1,619.82 km) |
| Saint Helens to Cinisello Balsamo | 763.77 mi (1,229.16 km) |
| Saint Helens to Cinisi | 1,296.70 mi (2,086.83 km) |
| Saint Helens to Cirie | 732.82 mi (1,179.35 km) |
| Saint Helens to Ciro Marina | 1,348.70 mi (2,170.53 km) |
| Saint Helens to Cislago | 750.70 mi (1,208.14 km) |
| Saint Helens to Cisterna di Latina | 1,090.57 mi (1,755.11 km) |
| Saint Helens to Cisternino | 1,285.24 mi (2,068.39 km) |
| Saint Helens to Citta di Castello | 970.12 mi (1,561.26 km) |
| Saint Helens to Citta Sant'Angelo | 1,078.57 mi (1,735.79 km) |
| Saint Helens to Cittadella | 842.73 mi (1,356.24 km) |
| Saint Helens to Cittanova | 1,372.86 mi (2,209.40 km) |
