| Wels to Siran | 1,352.58 mi (2,176.77 km) |
| Wels to Sirnak | 1,604.66 mi (2,582.45 km) |
| Wels to Sirvan | 1,563.56 mi (2,516.31 km) |
| Wels to Sivas | 1,276.09 mi (2,053.67 km) |
| Wels to Sivasli | 1,029.14 mi (1,656.24 km) |
| Wels to Siverek | 1,457.67 mi (2,345.89 km) |
| Wels to Sivrice | 1,428.56 mi (2,299.04 km) |
| Wels to Sivrihisar | 1,056.60 mi (1,700.44 km) |
| Wels to Sogut | 976.26 mi (1,571.14 km) |
| Wels to Sogutlu | 950.38 mi (1,529.48 km) |
| Wels to Soke | 984.66 mi (1,584.65 km) |
| Wels to Solhan | 1,484.65 mi (2,389.32 km) |
| Wels to Soma | 916.68 mi (1,475.26 km) |
| Wels to Sorgun | 1,194.28 mi (1,922.00 km) |
| Wels to Suhut | 1,059.89 mi (1,705.73 km) |
