| Frauenfeld to Carmona | 1,013.41 mi (1,630.93 km) |
| Frauenfeld to Cartagena | 850.23 mi (1,368.31 km) |
| Frauenfeld to Cartama | 1,017.61 mi (1,637.69 km) |
| Frauenfeld to Cartaya | 1,079.42 mi (1,737.16 km) |
| Frauenfeld to Caspe | 619.72 mi (997.35 km) |
| Frauenfeld to Cassa de la Selva | 490.07 mi (788.69 km) |
| Frauenfeld to Castalla | 783.61 mi (1,261.10 km) |
| Frauenfeld to Castellbisbal | 540.15 mi (869.29 km) |
| Frauenfeld to Castelldefels | 551.27 mi (887.19 km) |
| Frauenfeld to Castello de Ampurias | 463.35 mi (745.68 km) |
| Frauenfeld to Castellon de la Plana | 686.11 mi (1,104.18 km) |
| Frauenfeld to Castilleja de la Cuesta | 1,033.04 mi (1,662.52 km) |
| Frauenfeld to Catarroja | 730.01 mi (1,174.84 km) |
| Frauenfeld to Catral | 812.65 mi (1,307.84 km) |
| Frauenfeld to Caudete | 787.45 mi (1,267.27 km) |
