| Helensburgh to Chenove | 731.84 mi (1,177.77 km) |
| Helensburgh to Cherbourg | 459.91 mi (740.16 km) |
| Helensburgh to Chevigny-Saint-Sauveur | 734.32 mi (1,181.77 km) |
| Helensburgh to Chevilly-Larue | 582.61 mi (937.62 km) |
| Helensburgh to Chilly-Mazarin | 585.64 mi (942.50 km) |
| Helensburgh to Choisy-le-Roi | 584.01 mi (939.88 km) |
| Helensburgh to Cholet | 640.38 mi (1,030.59 km) |
| Helensburgh to Clamart | 578.54 mi (931.07 km) |
| Helensburgh to Claye-Souilly | 579.12 mi (932.00 km) |
| Helensburgh to Clermont | 546.96 mi (880.25 km) |
| Helensburgh to Clermont-Ferrand | 783.65 mi (1,261.17 km) |
| Helensburgh to Clermont-l'Herault | 928.68 mi (1,494.56 km) |
| Helensburgh to Clichy | 573.20 mi (922.47 km) |
| Helensburgh to Clichy-sous-Bois | 578.24 mi (930.58 km) |
| Helensburgh to Cluses | 843.14 mi (1,356.90 km) |
