| Hillsborough to Chivasso | 4,005.18 mi (6,445.72 km) |
| Hillsborough to Ciampino | 4,325.64 mi (6,961.44 km) |
| Hillsborough to Cicciano | 4,441.15 mi (7,147.34 km) |
| Hillsborough to Cingoli | 4,296.79 mi (6,915.01 km) |
| Hillsborough to Cinisello Balsamo | 4,051.01 mi (6,519.47 km) |
| Hillsborough to Cinisi | 4,481.40 mi (7,212.12 km) |
| Hillsborough to Cirie | 3,991.36 mi (6,423.47 km) |
| Hillsborough to Ciro Marina | 4,616.23 mi (7,429.11 km) |
| Hillsborough to Cislago | 4,037.10 mi (6,497.08 km) |
| Hillsborough to Cisterna di Latina | 4,343.21 mi (6,989.72 km) |
| Hillsborough to Cisternino | 4,576.84 mi (7,365.72 km) |
| Hillsborough to Citta di Castello | 4,251.43 mi (6,842.01 km) |
| Hillsborough to Citta Sant'Angelo | 4,363.25 mi (7,021.97 km) |
| Hillsborough to Cittadella | 4,156.93 mi (6,689.94 km) |
| Hillsborough to Cittanova | 4,609.32 mi (7,417.98 km) |
