| Idil to Chojnice | 1,617.66 mi (2,603.37 km) |
| Idil to Chojnow | 1,590.08 mi (2,558.98 km) |
| Idil to Chorzow | 1,442.40 mi (2,321.32 km) |
| Idil to Choszczno | 1,672.21 mi (2,691.17 km) |
| Idil to Chrzanow | 1,419.41 mi (2,284.32 km) |
| Idil to Ciechanow | 1,480.88 mi (2,383.24 km) |
| Idil to Ciechocinek | 1,543.68 mi (2,484.32 km) |
| Idil to Cieszyn | 1,436.49 mi (2,311.80 km) |
| Idil to Czarna Bialostocka | 1,417.08 mi (2,280.57 km) |
| Idil to Czarnkow | 1,621.73 mi (2,609.92 km) |
| Idil to Czechowice-Dziedzice | 1,427.19 mi (2,296.83 km) |
| Idil to Czeladz | 1,438.43 mi (2,314.93 km) |
| Idil to Czersk Pomorski | 1,607.11 mi (2,586.40 km) |
| Idil to Czestochowa | 1,453.49 mi (2,339.17 km) |
| Idil to Czluchow | 1,622.56 mi (2,611.26 km) |
