| Helena to Cesky Tesin | 5,155.58 mi (8,297.10 km) |
| Helena to Cheb | 4,978.37 mi (8,011.91 km) |
| Helena to Chocen | 5,081.81 mi (8,178.38 km) |
| Helena to Chodov | 4,979.20 mi (8,013.25 km) |
| Helena to Chomutov | 4,984.47 mi (8,021.73 km) |
| Helena to Chotebor | 5,083.92 mi (8,181.78 km) |
| Helena to Chrudim | 5,073.97 mi (8,165.77 km) |
| Helena to Decin | 4,986.96 mi (8,025.74 km) |
| Helena to Dobris | 5,042.03 mi (8,114.36 km) |
| Helena to Domazlice | 5,028.64 mi (8,092.82 km) |
| Helena to Duchcov | 4,984.98 mi (8,022.56 km) |
| Helena to Dvur Kralove nad Labem | 5,046.95 mi (8,122.29 km) |
| Helena to Frenstat pod Radhostem | 5,156.98 mi (8,299.36 km) |
| Helena to Frydek-Mistek | 5,152.42 mi (8,292.02 km) |
| Helena to Frydlant nad Ostravici | 5,158.03 mi (8,301.04 km) |
