| Koscian to Siran | 1,344.61 mi (2,163.93 km) |
| Koscian to Sirnak | 1,601.78 mi (2,577.82 km) |
| Koscian to Sirvan | 1,558.28 mi (2,507.80 km) |
| Koscian to Sivas | 1,289.88 mi (2,075.87 km) |
| Koscian to Sivasli | 1,129.55 mi (1,817.83 km) |
| Koscian to Siverek | 1,475.48 mi (2,374.55 km) |
| Koscian to Sivrice | 1,439.06 mi (2,315.94 km) |
| Koscian to Sivrihisar | 1,125.44 mi (1,811.22 km) |
| Koscian to Sogut | 1,052.75 mi (1,694.23 km) |
| Koscian to Sogutlu | 1,011.42 mi (1,627.73 km) |
| Koscian to Soke | 1,118.77 mi (1,800.48 km) |
| Koscian to Solhan | 1,476.71 mi (2,376.54 km) |
| Koscian to Soma | 1,033.81 mi (1,663.76 km) |
| Koscian to Sorgun | 1,222.93 mi (1,968.11 km) |
| Koscian to Suhut | 1,150.19 mi (1,851.05 km) |
