| Welwyn Garden City to Sceaux | 236.14 mi (380.04 km) |
| Welwyn Garden City to Schiltigheim | 414.64 mi (667.30 km) |
| Welwyn Garden City to Scionzier | 501.02 mi (806.31 km) |
| Welwyn Garden City to Seclin | 164.41 mi (264.60 km) |
| Welwyn Garden City to Sedan | 267.28 mi (430.15 km) |
| Welwyn Garden City to Selestat | 418.28 mi (673.15 km) |
| Welwyn Garden City to Sene | 310.74 mi (500.08 km) |
| Welwyn Garden City to Senlis | 217.15 mi (349.47 km) |
| Welwyn Garden City to Sens | 293.29 mi (472.01 km) |
| Welwyn Garden City to Septemes-les-Vallons | 635.58 mi (1,022.87 km) |
| Welwyn Garden City to Serris | 242.45 mi (390.19 km) |
| Welwyn Garden City to Sete | 607.86 mi (978.25 km) |
| Welwyn Garden City to Sevran | 231.99 mi (373.36 km) |
| Welwyn Garden City to Sevres | 231.74 mi (372.95 km) |
| Welwyn Garden City to Seynod | 498.52 mi (802.29 km) |
