| Letchworth to Saint-Esteve | 655.93 mi (1,055.61 km) |
| Letchworth to Saint-Etienne | 498.52 mi (802.29 km) |
| Letchworth to Saint-Etienne-du-Rouvray | 188.86 mi (303.95 km) |
| Letchworth to Saint-Fargeau | 267.70 mi (430.82 km) |
| Letchworth to Saint-Fons | 490.70 mi (789.70 km) |
| Letchworth to Saint-Gaudens | 614.45 mi (988.86 km) |
| Letchworth to Saint-Gely-du-Fesc | 602.08 mi (968.95 km) |
| Letchworth to Saint-Genis-Laval | 490.20 mi (788.91 km) |
| Letchworth to Saint-Genis-Pouilly | 486.38 mi (782.75 km) |
| Letchworth to Saint-Germain-en-Laye | 236.02 mi (379.83 km) |
| Letchworth to Saint-Germain-les-Arpajon | 258.16 mi (415.47 km) |
| Letchworth to Saint-Gilles | 612.57 mi (985.83 km) |
| Letchworth to Saint-Gratien | 235.23 mi (378.56 km) |
| Letchworth to Saint-Gregoire | 272.17 mi (438.02 km) |
| Letchworth to Saint-Herblain | 335.35 mi (539.69 km) |
