| Siran to Chojnice | 1,370.91 mi (2,206.26 km) |
| Siran to Chojnow | 1,346.16 mi (2,166.44 km) |
| Siran to Chorzow | 1,198.44 mi (1,928.70 km) |
| Siran to Choszczno | 1,426.20 mi (2,295.24 km) |
| Siran to Chrzanow | 1,175.46 mi (1,891.72 km) |
| Siran to Ciechanow | 1,234.02 mi (1,985.96 km) |
| Siran to Ciechocinek | 1,297.04 mi (2,087.39 km) |
| Siran to Cieszyn | 1,193.82 mi (1,921.27 km) |
| Siran to Czarna Bialostocka | 1,170.71 mi (1,884.07 km) |
| Siran to Czarnkow | 1,375.60 mi (2,213.82 km) |
| Siran to Czechowice-Dziedzice | 1,183.92 mi (1,905.33 km) |
| Siran to Czeladz | 1,194.33 mi (1,922.09 km) |
| Siran to Czersk Pomorski | 1,360.29 mi (2,189.18 km) |
| Siran to Czestochowa | 1,208.63 mi (1,945.10 km) |
| Siran to Czluchow | 1,375.84 mi (2,214.21 km) |
