| Frauenfeld to Chojnice | 568.68 mi (915.20 km) |
| Frauenfeld to Chojnow | 407.03 mi (655.05 km) |
| Frauenfeld to Chorzow | 493.72 mi (794.57 km) |
| Frauenfeld to Choszczno | 482.40 mi (776.35 km) |
| Frauenfeld to Chrzanow | 509.20 mi (819.48 km) |
| Frauenfeld to Ciechanow | 634.47 mi (1,021.09 km) |
| Frauenfeld to Ciechocinek | 570.71 mi (918.47 km) |
| Frauenfeld to Cieszyn | 469.17 mi (755.05 km) |
| Frauenfeld to Czarna Bialostocka | 745.40 mi (1,199.61 km) |
| Frauenfeld to Czarnkow | 500.95 mi (806.20 km) |
| Frauenfeld to Czechowice-Dziedzice | 488.20 mi (785.67 km) |
| Frauenfeld to Czeladz | 500.03 mi (804.72 km) |
| Frauenfeld to Czersk Pomorski | 585.56 mi (942.36 km) |
| Frauenfeld to Czestochowa | 512.62 mi (824.99 km) |
| Frauenfeld to Czluchow | 561.76 mi (904.06 km) |
