| Letchworth to Sceaux | 247.35 mi (398.07 km) |
| Letchworth to Schiltigheim | 421.89 mi (678.96 km) |
| Letchworth to Scionzier | 511.13 mi (822.59 km) |
| Letchworth to Seclin | 172.07 mi (276.92 km) |
| Letchworth to Sedan | 274.89 mi (442.39 km) |
| Letchworth to Selestat | 426.13 mi (685.79 km) |
| Letchworth to Sene | 321.17 mi (516.87 km) |
| Letchworth to Senlis | 227.81 mi (366.62 km) |
| Letchworth to Sens | 304.13 mi (489.45 km) |
| Letchworth to Septemes-les-Vallons | 646.94 mi (1,041.15 km) |
| Letchworth to Serris | 253.23 mi (407.53 km) |
| Letchworth to Sete | 619.60 mi (997.15 km) |
| Letchworth to Sevran | 242.92 mi (390.94 km) |
| Letchworth to Sevres | 242.98 mi (391.04 km) |
| Letchworth to Seynod | 508.94 mi (819.06 km) |
