| Helston to Chivasso | 698.70 mi (1,124.46 km) |
| Helston to Ciampino | 1,028.26 mi (1,654.83 km) |
| Helston to Cicciano | 1,142.02 mi (1,837.90 km) |
| Helston to Cingoli | 987.65 mi (1,589.48 km) |
| Helston to Cinisello Balsamo | 740.28 mi (1,191.37 km) |
| Helston to Cinisi | 1,222.59 mi (1,967.56 km) |
| Helston to Cirie | 685.40 mi (1,103.05 km) |
| Helston to Ciro Marina | 1,317.80 mi (2,120.80 km) |
| Helston to Cislago | 726.36 mi (1,168.97 km) |
| Helston to Cisterna di Latina | 1,046.58 mi (1,684.31 km) |
| Helston to Cisternino | 1,269.70 mi (2,043.38 km) |
| Helston to Citta di Castello | 943.87 mi (1,519.01 km) |
| Helston to Citta Sant'Angelo | 1,056.06 mi (1,699.56 km) |
| Helston to Cittadella | 845.66 mi (1,360.96 km) |
| Helston to Cittanova | 1,324.95 mi (2,132.30 km) |
