| Altena to Siran | 1,682.39 mi (2,707.54 km) |
| Altena to Sirnak | 1,937.86 mi (3,118.68 km) |
| Altena to Sirvan | 1,895.60 mi (3,050.68 km) |
| Altena to Sivas | 1,613.87 mi (2,597.27 km) |
| Altena to Sivasli | 1,385.33 mi (2,229.47 km) |
| Altena to Siverek | 1,797.84 mi (2,893.34 km) |
| Altena to Sivrice | 1,766.02 mi (2,842.13 km) |
| Altena to Sivrihisar | 1,408.29 mi (2,266.42 km) |
| Altena to Sogut | 1,328.93 mi (2,138.70 km) |
| Altena to Sogutlu | 1,299.66 mi (2,091.61 km) |
| Altena to Soke | 1,341.79 mi (2,159.40 km) |
| Altena to Solhan | 1,815.21 mi (2,921.30 km) |
| Altena to Soma | 1,273.75 mi (2,049.90 km) |
| Altena to Sorgun | 1,536.51 mi (2,472.77 km) |
| Altena to Suhut | 1,415.08 mi (2,277.35 km) |
