| Knightdale to Caltagirone | 4,928.94 mi (7,932.37 km) |
| Knightdale to Caltanissetta | 4,898.76 mi (7,883.79 km) |
| Knightdale to Calvisano | 4,469.43 mi (7,192.85 km) |
| Knightdale to Calvizzano | 4,784.90 mi (7,700.55 km) |
| Knightdale to Camaiore | 4,511.05 mi (7,259.84 km) |
| Knightdale to Cameri | 4,390.80 mi (7,066.31 km) |
| Knightdale to Camisano Vicentino | 4,523.69 mi (7,280.17 km) |
| Knightdale to Campagna | 4,834.45 mi (7,780.30 km) |
| Knightdale to Campagnano di Roma | 4,662.01 mi (7,502.78 km) |
| Knightdale to Campi Bisenzio | 4,551.69 mi (7,325.23 km) |
| Knightdale to Campi Salentina | 4,974.91 mi (8,006.35 km) |
| Knightdale to Campiglia Marittima | 4,552.42 mi (7,326.41 km) |
| Knightdale to Campobasso | 4,783.65 mi (7,698.54 km) |
| Knightdale to Campobello di Licata | 4,900.44 mi (7,886.49 km) |
| Knightdale to Campobello di Mazara | 4,831.87 mi (7,776.15 km) |
