| Boston to Caltagirone | 1,292.45 mi (2,079.99 km) |
| Boston to Caltanissetta | 1,265.44 mi (2,036.52 km) |
| Boston to Calvisano | 703.57 mi (1,132.28 km) |
| Boston to Calvizzano | 1,066.03 mi (1,715.60 km) |
| Boston to Camaiore | 781.87 mi (1,258.29 km) |
| Boston to Cameri | 646.87 mi (1,041.04 km) |
| Boston to Camisano Vicentino | 737.05 mi (1,186.17 km) |
| Boston to Campagna | 1,106.33 mi (1,780.47 km) |
| Boston to Campagnano di Roma | 943.57 mi (1,518.53 km) |
| Boston to Campi Bisenzio | 811.82 mi (1,306.50 km) |
| Boston to Campi Salentina | 1,212.29 mi (1,950.99 km) |
| Boston to Campiglia Marittima | 840.87 mi (1,353.25 km) |
| Boston to Campobasso | 1,042.55 mi (1,677.82 km) |
| Boston to Campobello di Licata | 1,276.46 mi (2,054.27 km) |
| Boston to Campobello di Mazara | 1,224.12 mi (1,970.03 km) |
