| Hackettstown to Caltagirone | 4,577.27 mi (7,366.40 km) |
| Hackettstown to Caltanissetta | 4,547.01 mi (7,317.71 km) |
| Hackettstown to Calvisano | 4,099.30 mi (6,597.18 km) |
| Hackettstown to Calvizzano | 4,422.83 mi (7,117.86 km) |
| Hackettstown to Camaiore | 4,144.98 mi (6,670.70 km) |
| Hackettstown to Cameri | 4,021.96 mi (6,472.72 km) |
| Hackettstown to Camisano Vicentino | 4,151.73 mi (6,681.56 km) |
| Hackettstown to Campagna | 4,471.84 mi (7,196.73 km) |
| Hackettstown to Campagnano di Roma | 4,298.69 mi (6,918.08 km) |
| Hackettstown to Campi Bisenzio | 4,185.01 mi (6,735.13 km) |
| Hackettstown to Campi Salentina | 4,609.18 mi (7,417.76 km) |
| Hackettstown to Campiglia Marittima | 4,188.51 mi (6,740.75 km) |
| Hackettstown to Campobasso | 4,419.09 mi (7,111.83 km) |
| Hackettstown to Campobello di Licata | 4,549.66 mi (7,321.97 km) |
| Hackettstown to Campobello di Mazara | 4,481.73 mi (7,212.64 km) |
