| Welkenraedt to Siegburg | 54.79 mi (88.18 km) |
| Welkenraedt to Siegen | 90.68 mi (145.94 km) |
| Welkenraedt to Sigmaringen | 230.04 mi (370.21 km) |
| Welkenraedt to Simbach am Inn | 356.80 mi (574.21 km) |
| Welkenraedt to Simmerath | 14.99 mi (24.12 km) |
| Welkenraedt to Sindelfingen | 190.93 mi (307.27 km) |
| Welkenraedt to Sinsheim | 162.01 mi (260.74 km) |
| Welkenraedt to Sinzheim | 163.79 mi (263.59 km) |
| Welkenraedt to Sinzig | 56.72 mi (91.27 km) |
| Welkenraedt to Soest | 112.04 mi (180.32 km) |
| Welkenraedt to Solingen | 59.74 mi (96.14 km) |
| Welkenraedt to Soltau | 230.06 mi (370.25 km) |
| Welkenraedt to Sommerda | 226.77 mi (364.96 km) |
| Welkenraedt to Sondershausen | 218.27 mi (351.27 km) |
| Welkenraedt to Sonneberg | 229.26 mi (368.96 km) |
