| Widnau to Chojnice | 556.34 mi (895.35 km) |
| Widnau to Chojnow | 389.42 mi (626.71 km) |
| Widnau to Chorzow | 468.16 mi (753.43 km) |
| Widnau to Choszczno | 472.91 mi (761.07 km) |
| Widnau to Chrzanow | 482.76 mi (776.92 km) |
| Widnau to Ciechanow | 615.34 mi (990.29 km) |
| Widnau to Ciechocinek | 553.94 mi (891.48 km) |
| Widnau to Cieszyn | 441.97 mi (711.28 km) |
| Widnau to Czarna Bialostocka | 725.00 mi (1,166.78 km) |
| Widnau to Czarnkow | 488.06 mi (785.46 km) |
| Widnau to Czechowice-Dziedzice | 461.30 mi (742.39 km) |
| Widnau to Czeladz | 474.47 mi (763.59 km) |
| Widnau to Czersk Pomorski | 572.75 mi (921.74 km) |
| Widnau to Czestochowa | 488.61 mi (786.34 km) |
| Widnau to Czluchow | 549.65 mi (884.58 km) |
