| Sumter to Caltagirone | 5,089.29 mi (8,190.43 km) |
| Sumter to Caltanissetta | 5,059.14 mi (8,141.90 km) |
| Sumter to Calvisano | 4,633.83 mi (7,457.43 km) |
| Sumter to Calvizzano | 4,947.63 mi (7,962.44 km) |
| Sumter to Camaiore | 4,674.68 mi (7,523.17 km) |
| Sumter to Cameri | 4,554.99 mi (7,330.55 km) |
| Sumter to Camisano Vicentino | 4,688.42 mi (7,545.28 km) |
| Sumter to Campagna | 4,997.28 mi (8,042.35 km) |
| Sumter to Campagnano di Roma | 4,825.03 mi (7,765.14 km) |
| Sumter to Campi Bisenzio | 4,715.42 mi (7,588.73 km) |
| Sumter to Campi Salentina | 5,138.35 mi (8,269.37 km) |
| Sumter to Campiglia Marittima | 4,715.59 mi (7,589.01 km) |
| Sumter to Campobasso | 4,946.90 mi (7,961.26 km) |
| Sumter to Campobello di Licata | 5,060.59 mi (8,144.23 km) |
| Sumter to Campobello di Mazara | 4,991.90 mi (8,033.69 km) |
