| Boston to Caguas (Puerto Rico) | 4,226.26 mi (6,801.51 km) |
| Boston to Cahokia (Illinois) | 4,162.02 mi (6,698.12 km) |
| Boston to Calabasas (California) | 5,384.57 mi (8,665.63 km) |
| Boston to Caldwell (Idaho) | 4,778.94 mi (7,690.97 km) |
| Boston to Caledonia (Wisconsin) | 3,870.31 mi (6,228.67 km) |
| Boston to Calera (Alabama) | 4,303.33 mi (6,925.54 km) |
| Boston to Calexico (California) | 5,368.05 mi (8,639.05 km) |
| Boston to Calhoun (Georgia) | 4,163.56 mi (6,700.60 km) |
| Boston to California (Maryland) | 3,644.58 mi (5,865.39 km) |
| Boston to California City (California) | 5,300.78 mi (8,530.79 km) |
| Boston to Callaway (Florida) | 4,408.85 mi (7,095.36 km) |
| Boston to Calumet City (Illinois) | 3,914.84 mi (6,300.33 km) |
| Boston to Calverton (Maryland) | 3,627.13 mi (5,837.30 km) |
| Boston to Camano (Washington) | 4,676.91 mi (7,526.76 km) |
| Boston to Camarillo (California) | 5,390.80 mi (8,675.65 km) |
