| Boston to Carpentras | 658.02 mi (1,058.99 km) |
| Boston to Carquefou | 397.60 mi (639.88 km) |
| Boston to Carqueiranne | 737.72 mi (1,187.25 km) |
| Boston to Carrieres-sous-Poissy | 292.24 mi (470.31 km) |
| Boston to Carrieres-sur-Seine | 298.17 mi (479.86 km) |
| Boston to Carros | 715.98 mi (1,152.26 km) |
| Boston to Carvin | 213.59 mi (343.74 km) |
| Boston to Castanet-Tolosan | 657.20 mi (1,057.66 km) |
| Boston to Castelginest | 644.65 mi (1,037.46 km) |
| Boston to Castelnau-le-Lez | 669.59 mi (1,077.60 km) |
| Boston to Castelnaudary | 673.27 mi (1,083.53 km) |
| Boston to Castelsarrasin | 619.42 mi (996.85 km) |
| Boston to Castres | 655.96 mi (1,055.66 km) |
| Boston to Caudebec-les-Elbeuf | 259.14 mi (417.05 km) |
| Boston to Caudry | 245.92 mi (395.77 km) |
