| Letchworth to Saint-Lo | 201.44 mi (324.18 km) |
| Letchworth to Saint-Loubes | 487.94 mi (785.26 km) |
| Letchworth to Saint-Louis | 461.07 mi (742.02 km) |
| Letchworth to Saint-Lys | 588.41 mi (946.95 km) |
| Letchworth to Saint-Malo | 242.96 mi (391.01 km) |
| Letchworth to Saint-Mande | 246.02 mi (395.93 km) |
| Letchworth to Saint-Martin-Boulogne | 118.07 mi (190.02 km) |
| Letchworth to Saint-Martin-d'Heres | 544.15 mi (875.73 km) |
| Letchworth to Saint-Martin-de-Crau | 621.45 mi (1,000.12 km) |
| Letchworth to Saint-Maur-des-Fosses | 250.34 mi (402.89 km) |
| Letchworth to Saint-Maurice | 247.82 mi (398.83 km) |
| Letchworth to Saint-Max | 362.85 mi (583.96 km) |
| Letchworth to Saint-Maximin-la-Sainte-Baume | 652.99 mi (1,050.88 km) |
| Letchworth to Saint-Medard-en-Jalles | 489.80 mi (788.25 km) |
| Letchworth to Saint-Michel-sur-Orge | 256.72 mi (413.15 km) |
