| Bostonia to Cortona | 6,269.81 mi (10,090.29 km) |
| Bostonia to Cosenza | 6,622.41 mi (10,657.74 km) |
| Bostonia to Cossato | 6,025.95 mi (9,697.84 km) |
| Bostonia to Costa Volpino | 6,075.98 mi (9,778.34 km) |
| Bostonia to Creazzo | 6,135.74 mi (9,874.52 km) |
| Bostonia to Crema | 6,086.15 mi (9,794.72 km) |
| Bostonia to Cremona | 6,109.54 mi (9,832.35 km) |
| Bostonia to Crevalcore | 6,167.41 mi (9,925.48 km) |
| Bostonia to Crispiano | 6,583.08 mi (10,594.44 km) |
| Bostonia to Crosia | 6,624.77 mi (10,661.53 km) |
| Bostonia to Crotone | 6,662.65 mi (10,722.50 km) |
| Bostonia to Cuneo | 6,064.26 mi (9,759.49 km) |
| Bostonia to Cuorgne | 6,017.51 mi (9,684.25 km) |
| Bostonia to Cusano Milanino | 6,060.43 mi (9,753.31 km) |
| Bostonia to Cutro | 6,661.04 mi (10,719.90 km) |
