| Boston to Cassina de' Pecchi | 665.80 mi (1,071.50 km) |
| Boston to Cassino | 1,021.49 mi (1,643.93 km) |
| Boston to Castagneto Carducci | 834.56 mi (1,343.09 km) |
| Boston to Castano Primo | 647.19 mi (1,041.55 km) |
| Boston to Castel Bolognese | 803.58 mi (1,293.24 km) |
| Boston to Castel Gandolfo | 973.48 mi (1,566.66 km) |
| Boston to Castel Goffredo | 710.19 mi (1,142.94 km) |
| Boston to Castel Maggiore | 776.85 mi (1,250.22 km) |
| Boston to Castel Mella | 689.50 mi (1,109.64 km) |
| Boston to Castel San Giorgio | 1,087.82 mi (1,750.68 km) |
| Boston to Castel San Giovanni | 694.01 mi (1,116.90 km) |
| Boston to Castel San Pietro Terme | 792.49 mi (1,275.39 km) |
| Boston to Castel Volturno | 1,049.69 mi (1,689.31 km) |
| Boston to Castelbuono | 1,239.41 mi (1,994.64 km) |
| Boston to Casteldaccia | 1,217.75 mi (1,959.78 km) |
