| The Hills to Cognac | 3,622.68 mi (5,830.13 km) |
| The Hills to Cogolin | 4,000.39 mi (6,438.00 km) |
| The Hills to Colmar | 3,886.69 mi (6,255.03 km) |
| The Hills to Colombes | 3,649.42 mi (5,873.18 km) |
| The Hills to Colomiers | 3,755.97 mi (6,044.65 km) |
| The Hills to Combs-la-Ville | 3,669.01 mi (5,904.70 km) |
| The Hills to Comines | 3,634.10 mi (5,848.52 km) |
| The Hills to Compiegne | 3,660.64 mi (5,891.23 km) |
| The Hills to Concarneau | 3,410.04 mi (5,487.92 km) |
| The Hills to Conde-sur-l'Escaut | 3,665.76 mi (5,899.47 km) |
| The Hills to Conflans-Sainte-Honorine | 3,641.00 mi (5,859.62 km) |
| The Hills to Corbas | 3,853.74 mi (6,202.00 km) |
| The Hills to Corbeil-Essonnes | 3,667.19 mi (5,901.76 km) |
| The Hills to Cormeilles-en-Parisis | 3,645.99 mi (5,867.65 km) |
| The Hills to Cosne sur Loire | 3,718.36 mi (5,984.13 km) |
