| Harnes to Chojnow | 570.29 mi (917.79 km) |
| Harnes to Chorzow | 705.72 mi (1,135.75 km) |
| Harnes to Choszczno | 565.71 mi (910.43 km) |
| Harnes to Chrzanow | 726.95 mi (1,169.92 km) |
| Harnes to Ciechanow | 775.94 mi (1,248.75 km) |
| Harnes to Ciechocinek | 699.41 mi (1,125.59 km) |
| Harnes to Cieszyn | 697.42 mi (1,122.39 km) |
| Harnes to Czarna Bialostocka | 888.10 mi (1,429.25 km) |
| Harnes to Czarnkow | 608.36 mi (979.06 km) |
| Harnes to Czechowice-Dziedzice | 711.95 mi (1,145.77 km) |
| Harnes to Czeladz | 711.28 mi (1,144.70 km) |
| Harnes to Czersk Pomorski | 678.24 mi (1,091.51 km) |
| Harnes to Czestochowa | 709.60 mi (1,141.99 km) |
| Harnes to Czluchow | 652.05 mi (1,049.37 km) |
| Harnes to Dabrowa Gornicza | 715.93 mi (1,152.18 km) |
