| Hardenberg to Chojnow | 406.77 mi (654.63 km) |
| Hardenberg to Chorzow | 553.06 mi (890.07 km) |
| Hardenberg to Choszczno | 369.14 mi (594.07 km) |
| Hardenberg to Chrzanow | 575.80 mi (926.66 km) |
| Hardenberg to Ciechanow | 586.08 mi (943.21 km) |
| Hardenberg to Ciechocinek | 508.98 mi (819.12 km) |
| Hardenberg to Cieszyn | 555.08 mi (893.31 km) |
| Hardenberg to Czarna Bialostocka | 694.35 mi (1,117.45 km) |
| Hardenberg to Czarnkow | 416.59 mi (670.43 km) |
| Hardenberg to Czechowice-Dziedzice | 565.57 mi (910.20 km) |
| Hardenberg to Czeladz | 557.73 mi (897.57 km) |
| Hardenberg to Czersk Pomorski | 477.31 mi (768.15 km) |
| Hardenberg to Czestochowa | 548.46 mi (882.66 km) |
| Hardenberg to Czluchow | 451.77 mi (727.05 km) |
| Hardenberg to Dabrowa Gornicza | 562.30 mi (904.94 km) |
