| Biarritz to Castelfiorentino | 626.86 mi (1,008.84 km) |
| Biarritz to Castelfranco di Sopra | 656.30 mi (1,056.21 km) |
| Biarritz to Castelfranco di Sotto | 615.66 mi (990.81 km) |
| Biarritz to Castelfranco Emilia | 630.56 mi (1,014.79 km) |
| Biarritz to Castelfranco Veneto | 680.20 mi (1,094.68 km) |
| Biarritz to Castellabate | 876.16 mi (1,410.04 km) |
| Biarritz to Castellammare del Golfo | 842.95 mi (1,356.60 km) |
| Biarritz to Castellammare di Stabia | 843.24 mi (1,357.07 km) |
| Biarritz to Castellamonte | 475.66 mi (765.51 km) |
| Biarritz to Castellana Grotte | 973.26 mi (1,566.31 km) |
| Biarritz to Castellaneta | 966.74 mi (1,555.82 km) |
| Biarritz to Castellanza | 535.34 mi (861.55 km) |
| Biarritz to Castellarano | 617.21 mi (993.31 km) |
| Biarritz to Castelleone | 572.36 mi (921.12 km) |
| Biarritz to Castelletto sopra Ticino | 524.33 mi (843.82 km) |
