| Mount Washington to Cognac | 4,205.69 mi (6,768.40 km) |
| Mount Washington to Cogolin | 4,583.27 mi (7,376.07 km) |
| Mount Washington to Colmar | 4,450.71 mi (7,162.72 km) |
| Mount Washington to Colombes | 4,216.77 mi (6,786.23 km) |
| Mount Washington to Colomiers | 4,343.92 mi (6,990.87 km) |
| Mount Washington to Combs-la-Ville | 4,237.05 mi (6,818.87 km) |
| Mount Washington to Comines | 4,192.11 mi (6,746.55 km) |
| Mount Washington to Compiegne | 4,225.10 mi (6,799.64 km) |
| Mount Washington to Concarneau | 3,988.78 mi (6,419.33 km) |
| Mount Washington to Conde-sur-l'Escaut | 4,224.48 mi (6,798.65 km) |
| Mount Washington to Conflans-Sainte-Honorine | 4,208.21 mi (6,772.45 km) |
| Mount Washington to Corbas | 4,430.57 mi (7,130.31 km) |
| Mount Washington to Corbeil-Essonnes | 4,235.57 mi (6,816.48 km) |
| Mount Washington to Cormeilles-en-Parisis | 4,213.18 mi (6,780.45 km) |
| Mount Washington to Cosne sur Loire | 4,291.13 mi (6,905.90 km) |
