| Heilbronn to Siran | 1,581.63 mi (2,545.38 km) |
| Heilbronn to Sirnak | 1,834.14 mi (2,951.77 km) |
| Heilbronn to Sirvan | 1,792.94 mi (2,885.45 km) |
| Heilbronn to Sivas | 1,505.77 mi (2,423.30 km) |
| Heilbronn to Sivasli | 1,252.05 mi (2,014.99 km) |
| Heilbronn to Siverek | 1,687.34 mi (2,715.51 km) |
| Heilbronn to Sivrice | 1,658.23 mi (2,668.67 km) |
| Heilbronn to Sivrihisar | 1,284.01 mi (2,066.42 km) |
| Heilbronn to Sogut | 1,203.20 mi (1,936.36 km) |
| Heilbronn to Sogutlu | 1,178.91 mi (1,897.27 km) |
| Heilbronn to Soke | 1,199.86 mi (1,930.98 km) |
| Heilbronn to Solhan | 1,713.84 mi (2,758.17 km) |
| Heilbronn to Soma | 1,137.14 mi (1,830.05 km) |
| Heilbronn to Sorgun | 1,423.89 mi (2,291.53 km) |
| Heilbronn to Suhut | 1,284.39 mi (2,067.02 km) |
