| Sion to Chojnice | 684.94 mi (1,102.30 km) |
| Sion to Chojnow | 522.12 mi (840.27 km) |
| Sion to Chorzow | 601.39 mi (967.84 km) |
| Sion to Choszczno | 598.30 mi (962.87 km) |
| Sion to Chrzanow | 615.40 mi (990.40 km) |
| Sion to Ciechanow | 748.85 mi (1,205.17 km) |
| Sion to Ciechocinek | 686.24 mi (1,104.39 km) |
| Sion to Cieszyn | 574.08 mi (923.88 km) |
| Sion to Czarna Bialostocka | 858.92 mi (1,382.29 km) |
| Sion to Czarnkow | 617.20 mi (993.29 km) |
| Sion to Czechowice-Dziedzice | 593.62 mi (955.34 km) |
| Sion to Czeladz | 607.70 mi (978.00 km) |
| Sion to Czersk Pomorski | 701.82 mi (1,129.47 km) |
| Sion to Czestochowa | 622.45 mi (1,001.74 km) |
| Sion to Czluchow | 678.00 mi (1,091.14 km) |
