| Clearlake to Castrovillari | 6,404.54 mi (10,307.11 km) |
| Clearlake to Catania | 6,510.37 mi (10,477.43 km) |
| Clearlake to Catanzaro | 6,469.91 mi (10,412.32 km) |
| Clearlake to Cattolica | 6,066.96 mi (9,763.83 km) |
| Clearlake to Cava de' Tirreni | 6,311.29 mi (10,157.05 km) |
| Clearlake to Cavallino | 6,427.77 mi (10,344.50 km) |
| Clearlake to Cavarzere | 5,981.79 mi (9,626.76 km) |
| Clearlake to Cave | 6,196.99 mi (9,973.09 km) |
| Clearlake to Cavriago | 5,964.29 mi (9,598.59 km) |
| Clearlake to Cavriglia | 6,058.38 mi (9,750.03 km) |
| Clearlake to Cazzago San Martino | 5,900.15 mi (9,495.38 km) |
| Clearlake to Ceccano | 6,222.69 mi (10,014.46 km) |
| Clearlake to Cecina | 6,042.47 mi (9,724.42 km) |
| Clearlake to Cefalu | 6,448.06 mi (10,377.15 km) |
| Clearlake to Ceglie Messapico | 6,389.55 mi (10,282.98 km) |
