| Langley Park to Caltagirone | 4,740.96 mi (7,629.84 km) |
| Langley Park to Caltanissetta | 4,710.72 mi (7,581.17 km) |
| Langley Park to Calvisano | 4,267.60 mi (6,868.04 km) |
| Langley Park to Calvizzano | 4,589.24 mi (7,385.67 km) |
| Langley Park to Camaiore | 4,312.33 mi (6,940.02 km) |
| Langley Park to Cameri | 4,189.95 mi (6,743.07 km) |
| Langley Park to Camisano Vicentino | 4,320.46 mi (6,953.11 km) |
| Langley Park to Campagna | 4,638.39 mi (7,464.77 km) |
| Langley Park to Campagnano di Roma | 4,465.39 mi (7,186.35 km) |
| Langley Park to Campi Bisenzio | 4,352.52 mi (7,004.70 km) |
| Langley Park to Campi Salentina | 4,776.53 mi (7,687.09 km) |
| Langley Park to Campiglia Marittima | 4,355.33 mi (7,009.22 km) |
| Langley Park to Campobasso | 4,586.12 mi (7,380.65 km) |
| Langley Park to Campobello di Licata | 4,713.10 mi (7,585.00 km) |
| Langley Park to Campobello di Mazara | 4,644.97 mi (7,475.36 km) |
