| Boston to Cortona | 867.02 mi (1,395.33 km) |
| Boston to Cosenza | 1,218.65 mi (1,961.22 km) |
| Boston to Cossato | 630.16 mi (1,014.15 km) |
| Boston to Costa Volpino | 670.07 mi (1,078.37 km) |
| Boston to Creazzo | 728.74 mi (1,172.80 km) |
| Boston to Crema | 683.22 mi (1,099.53 km) |
| Boston to Cremona | 706.29 mi (1,136.66 km) |
| Boston to Crevalcore | 762.14 mi (1,226.55 km) |
| Boston to Crispiano | 1,176.10 mi (1,892.75 km) |
| Boston to Crosia | 1,219.04 mi (1,961.85 km) |
| Boston to Crotone | 1,257.14 mi (2,023.17 km) |
| Boston to Cuneo | 685.88 mi (1,103.82 km) |
| Boston to Cuorgne | 627.42 mi (1,009.73 km) |
| Boston to Cusano Milanino | 658.75 mi (1,060.15 km) |
| Boston to Cutro | 1,255.94 mi (2,021.23 km) |
