| Biarritz to Cartagena | 407.40 mi (655.64 km) |
| Biarritz to Cartama | 494.93 mi (796.51 km) |
| Biarritz to Cartaya | 519.21 mi (835.58 km) |
| Biarritz to Caspe | 173.70 mi (279.54 km) |
| Biarritz to Cassa de la Selva | 250.55 mi (403.23 km) |
| Biarritz to Castalla | 340.56 mi (548.09 km) |
| Biarritz to Castellbisbal | 227.43 mi (366.01 km) |
| Biarritz to Castelldefels | 235.95 mi (379.72 km) |
| Biarritz to Castello de Ampurias | 249.37 mi (401.33 km) |
| Biarritz to Castellon de la Plana | 254.10 mi (408.94 km) |
| Biarritz to Castilleja de la Cuesta | 482.73 mi (776.88 km) |
| Biarritz to Catarroja | 287.99 mi (463.47 km) |
| Biarritz to Catral | 369.73 mi (595.02 km) |
| Biarritz to Caudete | 331.30 mi (533.18 km) |
| Biarritz to Cehegin | 372.45 mi (599.40 km) |
