| Greenford to Cognac | 403.10 mi (648.72 km) |
| Greenford to Cogolin | 655.53 mi (1,054.98 km) |
| Greenford to Colmar | 417.73 mi (672.27 km) |
| Greenford to Colombes | 213.62 mi (343.79 km) |
| Greenford to Colomiers | 552.52 mi (889.19 km) |
| Greenford to Combs-la-Ville | 235.89 mi (379.63 km) |
| Greenford to Comines | 154.87 mi (249.24 km) |
| Greenford to Compiegne | 201.98 mi (325.05 km) |
| Greenford to Concarneau | 298.60 mi (480.55 km) |
| Greenford to Conde-sur-l'Escaut | 186.86 mi (300.73 km) |
| Greenford to Conflans-Sainte-Honorine | 205.53 mi (330.78 km) |
| Greenford to Corbas | 470.46 mi (757.13 km) |
| Greenford to Corbeil-Essonnes | 237.34 mi (381.97 km) |
| Greenford to Cormeilles-en-Parisis | 209.45 mi (337.08 km) |
| Greenford to Cosne sur Loire | 320.27 mi (515.43 km) |
