| Sion to Siran | 1,640.92 mi (2,640.80 km) |
| Sion to Sirnak | 1,885.26 mi (3,034.03 km) |
| Sion to Sirvan | 1,846.30 mi (2,971.34 km) |
| Sion to Sivas | 1,553.67 mi (2,500.39 km) |
| Sion to Sivasli | 1,253.22 mi (2,016.86 km) |
| Sion to Siverek | 1,728.31 mi (2,781.45 km) |
| Sion to Sivrice | 1,704.45 mi (2,743.05 km) |
| Sion to Sivrihisar | 1,304.82 mi (2,099.91 km) |
| Sion to Sogut | 1,222.74 mi (1,967.81 km) |
| Sion to Sogutlu | 1,209.48 mi (1,946.47 km) |
| Sion to Soke | 1,179.59 mi (1,898.37 km) |
| Sion to Solhan | 1,770.35 mi (2,849.10 km) |
| Sion to Soma | 1,132.80 mi (1,823.07 km) |
| Sion to Sorgun | 1,465.00 mi (2,357.69 km) |
| Sion to Suhut | 1,290.95 mi (2,077.59 km) |
