| Rock Island to Chojnice | 4,608.07 mi (7,415.97 km) |
| Rock Island to Chojnow | 4,661.16 mi (7,501.41 km) |
| Rock Island to Chorzow | 4,805.02 mi (7,732.93 km) |
| Rock Island to Choszczno | 4,562.38 mi (7,342.44 km) |
| Rock Island to Chrzanow | 4,827.57 mi (7,769.23 km) |
| Rock Island to Ciechanow | 4,742.44 mi (7,632.22 km) |
| Rock Island to Ciechocinek | 4,683.30 mi (7,537.04 km) |
| Rock Island to Cieszyn | 4,819.39 mi (7,756.05 km) |
| Rock Island to Czarna Bialostocka | 4,803.81 mi (7,730.98 km) |
| Rock Island to Czarnkow | 4,611.28 mi (7,421.13 km) |
| Rock Island to Czechowice-Dziedzice | 4,824.50 mi (7,764.28 km) |
| Rock Island to Czeladz | 4,807.94 mi (7,737.63 km) |
| Rock Island to Czersk Pomorski | 4,617.41 mi (7,431.01 km) |
| Rock Island to Czestochowa | 4,787.84 mi (7,705.29 km) |
| Rock Island to Czluchow | 4,603.70 mi (7,408.94 km) |
