| Boucau to Saint-Etienne | 318.29 mi (512.24 km) |
| Boucau to Saint-Etienne-du-Rouvray | 422.87 mi (680.54 km) |
| Boucau to Saint-Fargeau | 396.33 mi (637.83 km) |
| Boucau to Saint-Fons | 346.30 mi (557.32 km) |
| Boucau to Saint-Gaudens | 114.74 mi (184.66 km) |
| Boucau to Saint-Gely-du-Fesc | 265.00 mi (426.48 km) |
| Boucau to Saint-Genis-Laval | 343.29 mi (552.47 km) |
| Boucau to Saint-Genis-Pouilly | 412.57 mi (663.97 km) |
| Boucau to Saint-Germain-en-Laye | 408.84 mi (657.96 km) |
| Boucau to Saint-Germain-les-Arpajon | 393.56 mi (633.38 km) |
| Boucau to Saint-Gilles | 296.22 mi (476.73 km) |
| Boucau to Saint-Gratien | 417.18 mi (671.38 km) |
| Boucau to Saint-Gregoire | 319.87 mi (514.79 km) |
| Boucau to Saint-Herblain | 254.98 mi (410.35 km) |
| Boucau to Saint-Hilaire-de-Riez | 222.05 mi (357.36 km) |
