| Helston to Chojnice | 999.39 mi (1,608.37 km) |
| Helston to Chojnow | 928.47 mi (1,494.23 km) |
| Helston to Chorzow | 1,066.54 mi (1,716.42 km) |
| Helston to Choszczno | 908.63 mi (1,462.29 km) |
| Helston to Chrzanow | 1,087.99 mi (1,750.95 km) |
| Helston to Ciechanow | 1,124.45 mi (1,809.62 km) |
| Helston to Ciechocinek | 1,047.30 mi (1,685.47 km) |
| Helston to Cieszyn | 1,058.98 mi (1,704.27 km) |
| Helston to Czarna Bialostocka | 1,233.92 mi (1,985.80 km) |
| Helston to Czarnkow | 955.00 mi (1,536.92 km) |
| Helston to Czechowice-Dziedzice | 1,073.34 mi (1,727.37 km) |
| Helston to Czeladz | 1,072.01 mi (1,725.23 km) |
| Helston to Czersk Pomorski | 1,017.21 mi (1,637.05 km) |
| Helston to Czestochowa | 1,069.11 mi (1,720.57 km) |
| Helston to Czluchow | 991.71 mi (1,596.01 km) |
