| Watford to Saint-Esteve | 636.07 mi (1,023.66 km) |
| Watford to Saint-Etienne | 482.07 mi (775.82 km) |
| Watford to Saint-Etienne-du-Rouvray | 170.53 mi (274.45 km) |
| Watford to Saint-Fargeau | 251.99 mi (405.54 km) |
| Watford to Saint-Fons | 475.25 mi (764.85 km) |
| Watford to Saint-Gaudens | 592.83 mi (954.07 km) |
| Watford to Saint-Gely-du-Fesc | 583.62 mi (939.25 km) |
| Watford to Saint-Genis-Laval | 474.65 mi (763.87 km) |
| Watford to Saint-Genis-Pouilly | 473.53 mi (762.08 km) |
| Watford to Saint-Germain-en-Laye | 219.85 mi (353.81 km) |
| Watford to Saint-Germain-les-Arpajon | 241.80 mi (389.14 km) |
| Watford to Saint-Gilles | 594.84 mi (957.31 km) |
| Watford to Saint-Gratien | 219.82 mi (353.76 km) |
| Watford to Saint-Gregoire | 248.80 mi (400.41 km) |
| Watford to Saint-Herblain | 312.08 mi (502.25 km) |
