| Niederkassel to Chojnow | 387.65 mi (623.86 km) |
| Niederkassel to Chorzow | 523.72 mi (842.85 km) |
| Niederkassel to Choszczno | 391.58 mi (630.19 km) |
| Niederkassel to Chrzanow | 545.19 mi (877.40 km) |
| Niederkassel to Ciechanow | 596.59 mi (960.12 km) |
| Niederkassel to Ciechocinek | 520.75 mi (838.07 km) |
| Niederkassel to Cieszyn | 516.86 mi (831.81 km) |
| Niederkassel to Czarna Bialostocka | 709.63 mi (1,142.05 km) |
| Niederkassel to Czarnkow | 431.13 mi (693.84 km) |
| Niederkassel to Czechowice-Dziedzice | 530.79 mi (854.23 km) |
| Niederkassel to Czeladz | 529.21 mi (851.67 km) |
| Niederkassel to Czersk Pomorski | 505.20 mi (813.05 km) |
| Niederkassel to Czestochowa | 526.99 mi (848.11 km) |
| Niederkassel to Czluchow | 478.90 mi (770.72 km) |
| Niederkassel to Dabrowa Gornicza | 533.86 mi (859.16 km) |
