| Helena to Chateaubriant | 4,698.71 mi (7,561.84 km) |
| Helena to Chateaudun | 4,766.97 mi (7,671.70 km) |
| Helena to Chateauneuf-les-Martigues | 5,132.46 mi (8,259.89 km) |
| Helena to Chateaurenard | 5,096.01 mi (8,201.23 km) |
| Helena to Chateauroux | 4,842.54 mi (7,793.31 km) |
| Helena to Chatellerault | 4,805.71 mi (7,734.04 km) |
| Helena to Chatenay-Malabry | 4,760.54 mi (7,661.35 km) |
| Helena to Chatillon | 4,759.13 mi (7,659.08 km) |
| Helena to Chatou | 4,750.48 mi (7,645.17 km) |
| Helena to Chaumont | 4,880.98 mi (7,855.18 km) |
| Helena to Chauny | 4,745.33 mi (7,636.87 km) |
| Helena to Chaville | 4,755.59 mi (7,653.38 km) |
| Helena to Checy | 4,797.47 mi (7,720.79 km) |
| Helena to Chelles | 4,764.31 mi (7,667.41 km) |
| Helena to Chennevieres-sur-Marne | 4,766.66 mi (7,671.20 km) |
