| Biarritz to Santiago do Cacem | 530.80 mi (854.24 km) |
| Biarritz to Santo Andre | 530.95 mi (854.48 km) |
| Biarritz to Santo Tirso | 382.15 mi (615.01 km) |
| Biarritz to Sao Bras de Alportel | 549.42 mi (884.20 km) |
| Biarritz to Sao Felix da Marinha | 398.59 mi (641.47 km) |
| Biarritz to Sao Joao da Madeira | 396.90 mi (638.74 km) |
| Biarritz to Sao Joao de Ver | 397.86 mi (640.29 km) |
| Biarritz to Sao Mamede de Infesta | 392.37 mi (631.45 km) |
| Biarritz to Sao Pedro do Sul | 382.97 mi (616.34 km) |
| Biarritz to Satao | 368.84 mi (593.59 km) |
| Biarritz to Seia | 379.66 mi (611.01 km) |
| Biarritz to Senhora da Hora | 395.18 mi (635.97 km) |
| Biarritz to Serpa | 495.99 mi (798.22 km) |
| Biarritz to Serta | 422.50 mi (679.94 km) |
| Biarritz to Sesimbra | 524.80 mi (844.58 km) |
