| Gloucester City to Cognac | 3,672.96 mi (5,911.06 km) |
| Gloucester City to Cogolin | 4,050.58 mi (6,518.78 km) |
| Gloucester City to Colmar | 3,939.58 mi (6,340.14 km) |
| Gloucester City to Colombes | 3,701.99 mi (5,957.78 km) |
| Gloucester City to Colomiers | 3,805.28 mi (6,124.01 km) |
| Gloucester City to Combs-la-Ville | 3,721.48 mi (5,989.14 km) |
| Gloucester City to Comines | 3,687.72 mi (5,934.81 km) |
| Gloucester City to Compiegne | 3,713.55 mi (5,976.37 km) |
| Gloucester City to Concarneau | 3,461.10 mi (5,570.10 km) |
| Gloucester City to Conde-sur-l'Escaut | 3,719.29 mi (5,985.62 km) |
| Gloucester City to Conflans-Sainte-Honorine | 3,693.58 mi (5,944.25 km) |
| Gloucester City to Corbas | 3,904.96 mi (6,284.43 km) |
| Gloucester City to Corbeil-Essonnes | 3,719.62 mi (5,986.15 km) |
| Gloucester City to Cormeilles-en-Parisis | 3,698.57 mi (5,952.28 km) |
| Gloucester City to Cosne sur Loire | 3,770.20 mi (6,067.56 km) |
