| Mountain Ash to Chojnice | 884.18 mi (1,422.95 km) |
| Mountain Ash to Chojnow | 829.20 mi (1,334.47 km) |
| Mountain Ash to Chorzow | 971.95 mi (1,564.20 km) |
| Mountain Ash to Choszczno | 796.21 mi (1,281.38 km) |
| Mountain Ash to Chrzanow | 994.10 mi (1,599.86 km) |
| Mountain Ash to Ciechanow | 1,013.71 mi (1,631.41 km) |
| Mountain Ash to Ciechocinek | 936.71 mi (1,507.48 km) |
| Mountain Ash to Cieszyn | 968.42 mi (1,558.52 km) |
| Mountain Ash to Czarna Bialostocka | 1,120.66 mi (1,803.52 km) |
| Mountain Ash to Czarnkow | 844.38 mi (1,358.90 km) |
| Mountain Ash to Czechowice-Dziedzice | 981.28 mi (1,579.22 km) |
| Mountain Ash to Czeladz | 977.08 mi (1,572.46 km) |
| Mountain Ash to Czersk Pomorski | 901.57 mi (1,450.94 km) |
| Mountain Ash to Czestochowa | 971.12 mi (1,562.86 km) |
| Mountain Ash to Czluchow | 876.66 mi (1,410.85 km) |
