| Wels to Sestao | 884.07 mi (1,422.78 km) |
| Wels to Sevilla | 1,258.76 mi (2,025.78 km) |
| Wels to Sevilla La Nueva | 1,039.38 mi (1,672.72 km) |
| Wels to Silla | 939.12 mi (1,511.37 km) |
| Wels to Silleda | 1,137.94 mi (1,831.34 km) |
| Wels to Sitges | 765.36 mi (1,231.73 km) |
| Wels to Socuellamos | 1,035.11 mi (1,665.84 km) |
| Wels to Soller | 806.02 mi (1,297.16 km) |
| Wels to Solsona | 742.07 mi (1,194.24 km) |
| Wels to Son Servera | 791.55 mi (1,273.87 km) |
| Wels to Sonseca | 1,063.78 mi (1,711.99 km) |
| Wels to Sopelana | 880.61 mi (1,417.21 km) |
| Wels to Soria | 916.01 mi (1,474.18 km) |
| Wels to Suances | 926.70 mi (1,491.38 km) |
| Wels to Sueca | 943.21 mi (1,517.95 km) |
