| Biarritz to Castelli Calepio | 582.92 mi (938.12 km) |
| Biarritz to Castelnovo ne' Monti | 597.96 mi (962.32 km) |
| Biarritz to Castelnuovo Berardenga | 655.09 mi (1,054.27 km) |
| Biarritz to Castelnuovo di Porto | 717.88 mi (1,155.31 km) |
| Biarritz to Castelnuovo di Verona | 622.05 mi (1,001.09 km) |
| Biarritz to Castelnuovo Rangone | 624.54 mi (1,005.10 km) |
| Biarritz to Castelvetrano | 851.40 mi (1,370.19 km) |
| Biarritz to Castelvetro di Modena | 625.23 mi (1,006.21 km) |
| Biarritz to Castenaso | 650.89 mi (1,047.50 km) |
| Biarritz to Castenedolo | 599.90 mi (965.45 km) |
| Biarritz to Castiglion Fiorentino | 675.85 mi (1,087.68 km) |
| Biarritz to Castiglione del Lago | 683.80 mi (1,100.47 km) |
| Biarritz to Castiglione delle Stiviere | 608.92 mi (979.96 km) |
| Biarritz to Castrolibero | 962.19 mi (1,548.50 km) |
| Biarritz to Castrovillari | 949.15 mi (1,527.50 km) |
