| Boucau to Cassino | 791.51 mi (1,273.81 km) |
| Boucau to Castagneto Carducci | 607.28 mi (977.33 km) |
| Boucau to Castano Primo | 523.61 mi (842.67 km) |
| Boucau to Castel Bolognese | 662.79 mi (1,066.66 km) |
| Boucau to Castel Gandolfo | 728.15 mi (1,171.85 km) |
| Boucau to Castel Goffredo | 602.37 mi (969.43 km) |
| Boucau to Castel Maggiore | 641.73 mi (1,032.76 km) |
| Boucau to Castel Mella | 588.81 mi (947.59 km) |
| Boucau to Castel San Giorgio | 848.98 mi (1,366.30 km) |
| Boucau to Castel San Giovanni | 549.86 mi (884.91 km) |
| Boucau to Castel San Pietro Terme | 652.13 mi (1,049.50 km) |
| Boucau to Castel Volturno | 804.41 mi (1,294.57 km) |
| Boucau to Castelbuono | 900.98 mi (1,450.00 km) |
| Boucau to Casteldaccia | 870.29 mi (1,400.59 km) |
| Boucau to Castelfidardo | 752.48 mi (1,211.00 km) |
