| Biarritz to Siegburg | 651.42 mi (1,048.35 km) |
| Biarritz to Siegen | 679.99 mi (1,094.34 km) |
| Biarritz to Sigmaringen | 608.21 mi (978.81 km) |
| Biarritz to Simbach am Inn | 773.65 mi (1,245.07 km) |
| Biarritz to Simmerath | 614.87 mi (989.54 km) |
| Biarritz to Sindelfingen | 621.08 mi (999.53 km) |
| Biarritz to Sinsheim | 636.87 mi (1,024.94 km) |
| Biarritz to Sinzheim | 590.98 mi (951.10 km) |
| Biarritz to Sinzig | 639.91 mi (1,029.84 km) |
| Biarritz to Soest | 717.10 mi (1,154.06 km) |
| Biarritz to Solingen | 666.83 mi (1,073.16 km) |
| Biarritz to Soltau | 838.21 mi (1,348.97 km) |
| Biarritz to Sommerda | 794.40 mi (1,278.47 km) |
| Biarritz to Sondershausen | 794.51 mi (1,278.64 km) |
| Biarritz to Sonneberg | 763.80 mi (1,229.22 km) |
