| Clemson to Caltagirone | 5,173.57 mi (8,326.06 km) |
| Clemson to Caltanissetta | 5,143.35 mi (8,277.43 km) |
| Clemson to Calvisano | 4,705.29 mi (7,572.43 km) |
| Clemson to Calvizzano | 5,025.15 mi (8,087.20 km) |
| Clemson to Camaiore | 4,749.21 mi (7,643.11 km) |
| Clemson to Cameri | 4,627.39 mi (7,447.07 km) |
| Clemson to Camisano Vicentino | 4,758.44 mi (7,657.97 km) |
| Clemson to Campagna | 5,074.45 mi (8,166.54 km) |
| Clemson to Campagnano di Roma | 4,901.62 mi (7,888.39 km) |
| Clemson to Campi Bisenzio | 4,789.53 mi (7,708.01 km) |
| Clemson to Campi Salentina | 5,213.37 mi (8,390.11 km) |
| Clemson to Campiglia Marittima | 4,791.70 mi (7,711.49 km) |
| Clemson to Campobasso | 5,022.67 mi (8,083.20 km) |
| Clemson to Campobello di Licata | 5,145.38 mi (8,280.69 km) |
| Clemson to Campobello di Mazara | 5,077.02 mi (8,170.67 km) |
