| Boucau to Casandrino | 823.41 mi (1,325.16 km) |
| Boucau to Casapulla | 822.31 mi (1,323.37 km) |
| Boucau to Casarano | 1,038.67 mi (1,671.58 km) |
| Boucau to Casatenovo | 551.49 mi (887.54 km) |
| Boucau to Casciana Terme | 605.93 mi (975.16 km) |
| Boucau to Cascina | 601.80 mi (968.50 km) |
| Boucau to Caselle Torinese | 465.20 mi (748.66 km) |
| Boucau to Caserta | 824.80 mi (1,327.38 km) |
| Boucau to Casier | 693.20 mi (1,115.59 km) |
| Boucau to Casorate Primo | 532.50 mi (856.97 km) |
| Boucau to Casoria | 826.60 mi (1,330.29 km) |
| Boucau to Cassano al Ionio | 952.63 mi (1,533.11 km) |
| Boucau to Cassano d'Adda | 558.99 mi (899.61 km) |
| Boucau to Cassano delle Murge | 949.85 mi (1,528.63 km) |
| Boucau to Cassina de' Pecchi | 551.65 mi (887.79 km) |
