| Watertown to Cognac | 3,560.59 mi (5,730.22 km) |
| Watertown to Cogolin | 3,937.90 mi (6,337.44 km) |
| Watertown to Colmar | 3,802.77 mi (6,119.96 km) |
| Watertown to Colombes | 3,568.92 mi (5,743.62 km) |
| Watertown to Colomiers | 3,700.70 mi (5,955.70 km) |
| Watertown to Combs-la-Ville | 3,589.23 mi (5,776.31 km) |
| Watertown to Comines | 3,544.34 mi (5,704.06 km) |
| Watertown to Compiegne | 3,577.17 mi (5,756.89 km) |
| Watertown to Concarneau | 3,342.60 mi (5,379.39 km) |
| Watertown to Conde-sur-l'Escaut | 3,576.68 mi (5,756.11 km) |
| Watertown to Conflans-Sainte-Honorine | 3,560.35 mi (5,729.83 km) |
| Watertown to Corbas | 3,783.75 mi (6,089.36 km) |
| Watertown to Corbeil-Essonnes | 3,587.77 mi (5,773.96 km) |
| Watertown to Cormeilles-en-Parisis | 3,565.32 mi (5,737.83 km) |
| Watertown to Cosne sur Loire | 3,643.72 mi (5,864.00 km) |
