| Odorheiu Secuiesc to Cartagena | 1,469.63 mi (2,365.14 km) |
| Odorheiu Secuiesc to Cartama | 1,671.94 mi (2,690.72 km) |
| Odorheiu Secuiesc to Cartaya | 1,769.20 mi (2,847.25 km) |
| Odorheiu Secuiesc to Caspe | 1,305.53 mi (2,101.05 km) |
| Odorheiu Secuiesc to Cassa de la Selva | 1,149.64 mi (1,850.17 km) |
| Odorheiu Secuiesc to Castalla | 1,419.23 mi (2,284.03 km) |
| Odorheiu Secuiesc to Castellbisbal | 1,203.22 mi (1,936.40 km) |
| Odorheiu Secuiesc to Castelldefels | 1,209.07 mi (1,945.81 km) |
| Odorheiu Secuiesc to Castello de Ampurias | 1,130.39 mi (1,819.19 km) |
| Odorheiu Secuiesc to Castellon de la Plana | 1,343.05 mi (2,161.43 km) |
| Odorheiu Secuiesc to Castilleja de la Cuesta | 1,713.85 mi (2,758.17 km) |
| Odorheiu Secuiesc to Catarroja | 1,379.31 mi (2,219.79 km) |
| Odorheiu Secuiesc to Catral | 1,440.99 mi (2,319.05 km) |
| Odorheiu Secuiesc to Caudete | 1,430.27 mi (2,301.80 km) |
| Odorheiu Secuiesc to Cehegin | 1,489.58 mi (2,397.24 km) |
