| Boston to Cognac | 503.06 mi (809.60 km) |
| Boston to Cogolin | 735.81 mi (1,184.17 km) |
| Boston to Colmar | 467.78 mi (752.82 km) |
| Boston to Colombes | 296.80 mi (477.65 km) |
| Boston to Colomiers | 649.69 mi (1,045.58 km) |
| Boston to Combs-la-Ville | 317.95 mi (511.70 km) |
| Boston to Comines | 200.16 mi (322.13 km) |
| Boston to Compiegne | 274.98 mi (442.53 km) |
| Boston to Concarneau | 391.70 mi (630.38 km) |
| Boston to Conde-sur-l'Escaut | 233.06 mi (375.07 km) |
| Boston to Conflans-Sainte-Honorine | 289.66 mi (466.16 km) |
| Boston to Corbas | 551.02 mi (886.78 km) |
| Boston to Corbeil-Essonnes | 320.43 mi (515.68 km) |
| Boston to Cormeilles-en-Parisis | 292.77 mi (471.17 km) |
| Boston to Cosne sur Loire | 405.82 mi (653.10 km) |
