| Frauenfeld to Butzbach | 199.74 mi (321.45 km) |
| Frauenfeld to Buxtehude | 411.01 mi (661.46 km) |
| Frauenfeld to Cadolzburg | 159.18 mi (256.17 km) |
| Frauenfeld to Calbe | 327.00 mi (526.25 km) |
| Frauenfeld to Calw | 80.98 mi (130.32 km) |
| Frauenfeld to Castrop-Rauxel | 285.32 mi (459.18 km) |
| Frauenfeld to Celle | 354.57 mi (570.63 km) |
| Frauenfeld to Cham | 207.02 mi (333.16 km) |
| Frauenfeld to Chemnitz | 290.35 mi (467.28 km) |
| Frauenfeld to Clausthal-Zellerfeld | 300.90 mi (484.25 km) |
| Frauenfeld to Cloppenburg | 368.11 mi (592.42 km) |
| Frauenfeld to Coburg | 209.84 mi (337.71 km) |
| Frauenfeld to Coesfeld | 313.68 mi (504.82 km) |
| Frauenfeld to Cologne | 249.90 mi (402.17 km) |
| Frauenfeld to Coswig | 325.05 mi (523.12 km) |
