| Holt to Chivasso | 4,331.82 mi (6,971.39 km) |
| Holt to Ciampino | 4,660.54 mi (7,500.42 km) |
| Holt to Cicciano | 4,774.85 mi (7,684.38 km) |
| Holt to Cingoli | 4,619.22 mi (7,433.91 km) |
| Holt to Cinisello Balsamo | 4,370.99 mi (7,034.44 km) |
| Holt to Cinisi | 4,837.42 mi (7,785.08 km) |
| Holt to Cirie | 4,318.54 mi (6,950.02 km) |
| Holt to Ciro Marina | 4,950.72 mi (7,967.42 km) |
| Holt to Cislago | 4,357.12 mi (7,012.11 km) |
| Holt to Cisterna di Latina | 4,678.71 mi (7,529.66 km) |
| Holt to Cisternino | 4,901.78 mi (7,888.65 km) |
| Holt to Citta di Castello | 4,576.44 mi (7,365.07 km) |
| Holt to Citta Sant'Angelo | 4,688.55 mi (7,545.50 km) |
| Holt to Cittadella | 4,468.18 mi (7,190.83 km) |
| Holt to Cittanova | 4,953.75 mi (7,972.29 km) |
