| Targu Secuiesc to Siran | 766.89 mi (1,234.19 km) |
| Targu Secuiesc to Sirnak | 1,021.72 mi (1,644.31 km) |
| Targu Secuiesc to Sirvan | 979.64 mi (1,576.58 km) |
| Targu Secuiesc to Sivas | 698.63 mi (1,124.34 km) |
| Targu Secuiesc to Sivasli | 549.71 mi (884.67 km) |
| Targu Secuiesc to Siverek | 883.51 mi (1,421.88 km) |
| Targu Secuiesc to Sivrice | 850.37 mi (1,368.53 km) |
| Targu Secuiesc to Sivrihisar | 528.54 mi (850.60 km) |
| Targu Secuiesc to Sogut | 460.60 mi (741.27 km) |
| Targu Secuiesc to Sogutlu | 413.94 mi (666.17 km) |
| Targu Secuiesc to Soke | 573.46 mi (922.90 km) |
| Targu Secuiesc to Solhan | 899.58 mi (1,447.74 km) |
| Targu Secuiesc to Soma | 476.30 mi (766.52 km) |
| Targu Secuiesc to Sorgun | 625.54 mi (1,006.71 km) |
| Targu Secuiesc to Suhut | 562.64 mi (905.48 km) |
