| Clearlake to Chivasso | 5,861.50 mi (9,433.17 km) |
| Clearlake to Ciampino | 6,188.58 mi (9,959.56 km) |
| Clearlake to Cicciano | 6,291.04 mi (10,124.46 km) |
| Clearlake to Cingoli | 6,114.89 mi (9,840.97 km) |
| Clearlake to Cinisello Balsamo | 5,879.34 mi (9,461.88 km) |
| Clearlake to Cinisi | 6,413.43 mi (10,321.42 km) |
| Clearlake to Cirie | 5,850.73 mi (9,415.84 km) |
| Clearlake to Ciro Marina | 6,456.25 mi (10,390.33 km) |
| Clearlake to Cislago | 5,866.68 mi (9,441.51 km) |
| Clearlake to Cisterna di Latina | 6,207.12 mi (9,989.40 km) |
| Clearlake to Cisternino | 6,382.82 mi (10,272.15 km) |
| Clearlake to Citta di Castello | 6,082.76 mi (9,789.25 km) |
| Clearlake to Citta Sant'Angelo | 6,187.07 mi (9,957.13 km) |
| Clearlake to Cittadella | 5,944.27 mi (9,566.38 km) |
| Clearlake to Cittanova | 6,488.30 mi (10,441.91 km) |
