| Somain to Chojnow | 555.26 mi (893.60 km) |
| Somain to Chorzow | 689.89 mi (1,110.27 km) |
| Somain to Choszczno | 553.26 mi (890.39 km) |
| Somain to Chrzanow | 711.03 mi (1,144.29 km) |
| Somain to Ciechanow | 762.42 mi (1,226.99 km) |
| Somain to Ciechocinek | 686.05 mi (1,104.09 km) |
| Somain to Cieszyn | 681.18 mi (1,096.25 km) |
| Somain to Czarna Bialostocka | 874.85 mi (1,407.94 km) |
| Somain to Czarnkow | 595.31 mi (958.05 km) |
| Somain to Czechowice-Dziedzice | 695.84 mi (1,119.85 km) |
| Somain to Czeladz | 695.48 mi (1,119.27 km) |
| Somain to Czersk Pomorski | 666.09 mi (1,071.97 km) |
| Somain to Czestochowa | 694.17 mi (1,117.16 km) |
| Somain to Czluchow | 639.86 mi (1,029.76 km) |
| Somain to Dabrowa Gornicza | 700.13 mi (1,126.75 km) |
