| Hard to Chojnow | 383.16 mi (616.63 km) |
| Hard to Chorzow | 462.88 mi (744.93 km) |
| Hard to Choszczno | 466.24 mi (750.33 km) |
| Hard to Chrzanow | 477.64 mi (768.69 km) |
| Hard to Ciechanow | 609.24 mi (980.48 km) |
| Hard to Ciechocinek | 547.63 mi (881.33 km) |
| Hard to Cieszyn | 436.99 mi (703.27 km) |
| Hard to Czarna Bialostocka | 719.05 mi (1,157.20 km) |
| Hard to Czarnkow | 481.51 mi (774.92 km) |
| Hard to Czechowice-Dziedzice | 456.26 mi (734.28 km) |
| Hard to Czeladz | 469.19 mi (755.10 km) |
| Hard to Czersk Pomorski | 566.20 mi (911.21 km) |
| Hard to Czestochowa | 483.09 mi (777.45 km) |
| Hard to Czluchow | 543.07 mi (873.99 km) |
| Hard to Dabrowa Gornicza | 473.18 mi (761.51 km) |
