| Herndon to Caltagirone | 4,760.29 mi (7,660.94 km) |
| Herndon to Caltanissetta | 4,730.04 mi (7,612.26 km) |
| Herndon to Calvisano | 4,285.78 mi (6,897.30 km) |
| Herndon to Calvizzano | 4,607.97 mi (7,415.81 km) |
| Herndon to Camaiore | 4,330.80 mi (6,969.76 km) |
| Herndon to Cameri | 4,208.23 mi (6,772.49 km) |
| Herndon to Camisano Vicentino | 4,338.49 mi (6,982.13 km) |
| Herndon to Campagna | 4,657.09 mi (7,494.86 km) |
| Herndon to Campagnano di Roma | 4,484.04 mi (7,216.37 km) |
| Herndon to Campi Bisenzio | 4,370.95 mi (7,034.36 km) |
| Herndon to Campi Salentina | 4,795.01 mi (7,716.83 km) |
| Herndon to Campiglia Marittima | 4,373.95 mi (7,039.19 km) |
| Herndon to Campobasso | 4,604.69 mi (7,410.53 km) |
| Herndon to Campobello di Licata | 4,732.47 mi (7,616.18 km) |
| Herndon to Campobello di Mazara | 4,664.38 mi (7,506.59 km) |
