| Helena to Camardi | 6,256.19 mi (10,068.36 km) |
| Helena to Camas | 6,106.63 mi (9,827.67 km) |
| Helena to Camliyayla | 6,290.84 mi (10,124.13 km) |
| Helena to Camoluk | 6,179.11 mi (9,944.32 km) |
| Helena to Can | 5,941.98 mi (9,562.70 km) |
| Helena to Canakkale | 5,918.91 mi (9,525.57 km) |
| Helena to Cankaya | 6,079.37 mi (9,783.80 km) |
| Helena to Cankiri | 6,051.66 mi (9,739.21 km) |
| Helena to Cardak | 6,140.71 mi (9,882.52 km) |
| Helena to Carsamba | 6,073.63 mi (9,774.56 km) |
| Helena to Carsibasi | 6,128.54 mi (9,862.93 km) |
| Helena to Cat | 6,251.81 mi (10,061.32 km) |
| Helena to Catalagzi | 5,958.25 mi (9,588.87 km) |
| Helena to Catalca | 5,906.09 mi (9,504.94 km) |
| Helena to Catalpinar | 6,107.68 mi (9,829.36 km) |
