| Helena to Chenove | 4,920.24 mi (7,918.36 km) |
| Helena to Cherbourg | 4,596.73 mi (7,397.72 km) |
| Helena to Chevigny-Saint-Sauveur | 4,923.56 mi (7,923.71 km) |
| Helena to Chevilly-Larue | 4,762.78 mi (7,664.96 km) |
| Helena to Chilly-Mazarin | 4,764.81 mi (7,668.22 km) |
| Helena to Choisy-le-Roi | 4,764.66 mi (7,667.98 km) |
| Helena to Cholet | 4,747.61 mi (7,640.55 km) |
| Helena to Clamart | 4,758.23 mi (7,657.63 km) |
| Helena to Claye-Souilly | 4,763.77 mi (7,666.55 km) |
| Helena to Clermont | 4,733.23 mi (7,617.39 km) |
| Helena to Clermont-Ferrand | 4,939.70 mi (7,949.68 km) |
| Helena to Clermont-l'Herault | 5,063.85 mi (8,149.48 km) |
| Helena to Clichy | 4,754.28 mi (7,651.28 km) |
| Helena to Clichy-sous-Bois | 4,761.50 mi (7,662.90 km) |
| Helena to Cluses | 5,033.25 mi (8,100.23 km) |
