| Westlake to Cognac | 3,911.89 mi (6,295.57 km) |
| Westlake to Cogolin | 4,289.09 mi (6,902.63 km) |
| Westlake to Colmar | 4,150.90 mi (6,680.23 km) |
| Westlake to Colombes | 3,917.88 mi (6,305.22 km) |
| Westlake to Colomiers | 4,052.29 mi (6,521.52 km) |
| Westlake to Combs-la-Ville | 3,938.32 mi (6,338.12 km) |
| Westlake to Comines | 3,891.28 mi (6,262.41 km) |
| Westlake to Compiegne | 3,925.54 mi (6,317.54 km) |
| Westlake to Concarneau | 3,693.51 mi (5,944.13 km) |
| Westlake to Conde-sur-l'Escaut | 3,923.76 mi (6,314.68 km) |
| Westlake to Conflans-Sainte-Honorine | 3,909.29 mi (6,291.40 km) |
| Westlake to Corbas | 4,134.25 mi (6,653.43 km) |
| Westlake to Corbeil-Essonnes | 3,936.93 mi (6,335.87 km) |
| Westlake to Cormeilles-en-Parisis | 3,914.26 mi (6,299.39 km) |
| Westlake to Cosne sur Loire | 3,993.64 mi (6,427.14 km) |
