| Halfway to Cognac | 3,801.38 mi (6,117.72 km) |
| Halfway to Cogolin | 4,179.14 mi (6,725.68 km) |
| Halfway to Colmar | 4,061.91 mi (6,537.01 km) |
| Halfway to Colombes | 3,825.22 mi (6,156.09 km) |
| Halfway to Colomiers | 3,935.49 mi (6,333.56 km) |
| Halfway to Combs-la-Ville | 3,844.95 mi (6,187.85 km) |
| Halfway to Comines | 3,807.97 mi (6,128.33 km) |
| Halfway to Compiegne | 3,835.86 mi (6,173.22 km) |
| Halfway to Concarneau | 3,587.94 mi (5,774.23 km) |
| Halfway to Conde-sur-l'Escaut | 3,839.79 mi (6,179.55 km) |
| Halfway to Conflans-Sainte-Honorine | 3,816.76 mi (6,142.49 km) |
| Halfway to Corbas | 4,031.41 mi (6,487.93 km) |
| Halfway to Corbeil-Essonnes | 3,843.19 mi (6,185.02 km) |
| Halfway to Cormeilles-en-Parisis | 3,821.75 mi (6,150.51 km) |
| Halfway to Cosne sur Loire | 3,895.24 mi (6,268.78 km) |
