| Frauenfeld to Castrovillari | 646.30 mi (1,040.11 km) |
| Frauenfeld to Catania | 761.96 mi (1,226.26 km) |
| Frauenfeld to Catanzaro | 711.57 mi (1,145.16 km) |
| Frauenfeld to Cattolica | 308.85 mi (497.05 km) |
| Frauenfeld to Cava de' Tirreni | 553.48 mi (890.74 km) |
| Frauenfeld to Cavallino | 680.15 mi (1,094.59 km) |
| Frauenfeld to Cavarzere | 225.41 mi (362.76 km) |
| Frauenfeld to Cave | 442.77 mi (712.57 km) |
| Frauenfeld to Cavriago | 211.87 mi (340.97 km) |
| Frauenfeld to Cavriglia | 305.39 mi (491.48 km) |
| Frauenfeld to Cazzago San Martino | 146.13 mi (235.17 km) |
| Frauenfeld to Ceccano | 467.29 mi (752.03 km) |
| Frauenfeld to Cecina | 302.79 mi (487.30 km) |
| Frauenfeld to Cefalu | 706.46 mi (1,136.94 km) |
| Frauenfeld to Ceglie Messapico | 639.03 mi (1,028.42 km) |
