| Letchworth to Saint-Nazaire | 336.92 mi (542.22 km) |
| Letchworth to Saint-Omer | 136.97 mi (220.44 km) |
| Letchworth to Saint-Orens-de-Gameville | 587.91 mi (946.15 km) |
| Letchworth to Saint-Ouen | 239.96 mi (386.17 km) |
| Letchworth to Saint-Ouen-l'Aumone | 227.25 mi (365.73 km) |
| Letchworth to Saint-Paul-les-Dax | 571.45 mi (919.66 km) |
| Letchworth to Saint-Paul-Trois-Chateaux | 574.92 mi (925.24 km) |
| Letchworth to Saint-Philbert-de-Grand-Lieu | 347.32 mi (558.96 km) |
| Letchworth to Saint-Pierre-des-Corps | 319.82 mi (514.70 km) |
| Letchworth to Saint-Pierre-du-Mont | 559.50 mi (900.43 km) |
| Letchworth to Saint-Pierre-du-Perray | 261.72 mi (421.20 km) |
| Letchworth to Saint-Pol-sur-Mer | 128.56 mi (206.90 km) |
| Letchworth to Saint-Priest | 493.36 mi (793.99 km) |
| Letchworth to Saint-Quentin | 212.35 mi (341.74 km) |
| Letchworth to Saint-Rambert | 491.56 mi (791.09 km) |
