| Grenchen to Chojnice | 632.77 mi (1,018.35 km) |
| Grenchen to Chojnow | 476.67 mi (767.13 km) |
| Grenchen to Chorzow | 567.78 mi (913.76 km) |
| Grenchen to Choszczno | 543.78 mi (875.14 km) |
| Grenchen to Chrzanow | 583.51 mi (939.06 km) |
| Grenchen to Ciechanow | 704.70 mi (1,134.11 km) |
| Grenchen to Ciechocinek | 639.11 mi (1,028.55 km) |
| Grenchen to Cieszyn | 543.65 mi (874.92 km) |
| Grenchen to Czarna Bialostocka | 816.45 mi (1,313.94 km) |
| Grenchen to Czarnkow | 565.90 mi (910.73 km) |
| Grenchen to Czechowice-Dziedzice | 562.62 mi (905.44 km) |
| Grenchen to Czeladz | 574.09 mi (923.90 km) |
| Grenchen to Czersk Pomorski | 650.08 mi (1,046.21 km) |
| Grenchen to Czestochowa | 586.07 mi (943.18 km) |
| Grenchen to Czluchow | 625.62 mi (1,006.84 km) |
