| Kouvola to Chojnow | 780.53 mi (1,256.15 km) |
| Kouvola to Chorzow | 789.20 mi (1,270.10 km) |
| Kouvola to Choszczno | 678.81 mi (1,092.44 km) |
| Kouvola to Chrzanow | 793.72 mi (1,277.37 km) |
| Kouvola to Ciechanow | 597.89 mi (962.22 km) |
| Kouvola to Ciechocinek | 626.53 mi (1,008.31 km) |
| Kouvola to Cieszyn | 829.72 mi (1,335.30 km) |
| Kouvola to Czarna Bialostocka | 538.26 mi (866.25 km) |
| Kouvola to Czarnkow | 668.85 mi (1,076.42 km) |
| Kouvola to Czechowice-Dziedzice | 813.67 mi (1,309.47 km) |
| Kouvola to Czeladz | 785.09 mi (1,263.49 km) |
| Kouvola to Czersk Pomorski | 586.29 mi (943.54 km) |
| Kouvola to Czestochowa | 754.21 mi (1,213.78 km) |
| Kouvola to Czluchow | 606.43 mi (975.95 km) |
| Kouvola to Dabrowa Gornicza | 784.38 mi (1,262.34 km) |
