| Delaware to Caltagirone | 4,966.11 mi (7,992.18 km) |
| Delaware to Caltanissetta | 4,935.86 mi (7,943.51 km) |
| Delaware to Calvisano | 4,467.51 mi (7,189.76 km) |
| Delaware to Calvizzano | 4,800.70 mi (7,725.99 km) |
| Delaware to Camaiore | 4,518.68 mi (7,272.11 km) |
| Delaware to Cameri | 4,392.30 mi (7,068.73 km) |
| Delaware to Camisano Vicentino | 4,517.00 mi (7,269.41 km) |
| Delaware to Campagna | 4,848.88 mi (7,803.52 km) |
| Delaware to Campagnano di Roma | 4,675.42 mi (7,524.37 km) |
| Delaware to Campi Bisenzio | 4,557.78 mi (7,335.03 km) |
| Delaware to Campi Salentina | 4,981.78 mi (8,017.41 km) |
| Delaware to Campiglia Marittima | 4,564.87 mi (7,346.44 km) |
| Delaware to Campobasso | 4,793.84 mi (7,714.94 km) |
| Delaware to Campobello di Licata | 4,939.47 mi (7,949.30 km) |
| Delaware to Campobello di Mazara | 4,872.33 mi (7,841.25 km) |
