| Biarritz to Bombarral | 489.32 mi (787.49 km) |
| Biarritz to Bougado | 386.38 mi (621.82 km) |
| Biarritz to Braga | 373.80 mi (601.58 km) |
| Biarritz to Braganca | 288.35 mi (464.05 km) |
| Biarritz to Cabeceiras de Basto | 355.19 mi (571.63 km) |
| Biarritz to Cacem | 517.78 mi (833.29 km) |
| Biarritz to Cadaval | 488.55 mi (786.24 km) |
| Biarritz to Caldas da Rainha | 482.52 mi (776.55 km) |
| Biarritz to Calheta | 1,124.42 mi (1,809.57 km) |
| Biarritz to Camara de Lobos | 1,118.36 mi (1,799.82 km) |
| Biarritz to Canico | 1,115.94 mi (1,795.93 km) |
| Biarritz to Cantanhede | 421.31 mi (678.03 km) |
| Biarritz to Carregal do Sal | 392.00 mi (630.86 km) |
| Biarritz to Cartaxo | 479.29 mi (771.34 km) |
| Biarritz to Cascais | 525.39 mi (845.53 km) |
