| Biarritz to Castelo Branco | 397.45 mi (639.64 km) |
| Biarritz to Castro Daire | 371.64 mi (598.09 km) |
| Biarritz to Celorico de Basto | 358.82 mi (577.46 km) |
| Biarritz to Chamusca | 458.11 mi (737.26 km) |
| Biarritz to Chaves | 323.64 mi (520.85 km) |
| Biarritz to Cinfaes | 373.91 mi (601.74 km) |
| Biarritz to Coimbra | 419.33 mi (674.85 km) |
| Biarritz to Condeixa-a-Nova | 426.14 mi (685.80 km) |
| Biarritz to Corroios | 518.70 mi (834.77 km) |
| Biarritz to Coruche | 477.99 mi (769.25 km) |
| Biarritz to Costa de Caparica | 520.67 mi (837.94 km) |
| Biarritz to Covilha | 376.87 mi (606.52 km) |
| Biarritz to Eiras | 417.88 mi (672.52 km) |
| Biarritz to Elvas | 431.21 mi (693.96 km) |
| Biarritz to Entroncamento | 452.33 mi (727.95 km) |
