| Gagnef to Siran | 1,742.51 mi (2,804.30 km) |
| Gagnef to Sirnak | 1,989.49 mi (3,201.78 km) |
| Gagnef to Sirvan | 1,945.29 mi (3,130.64 km) |
| Gagnef to Sivas | 1,718.99 mi (2,766.44 km) |
| Gagnef to Sivasli | 1,653.71 mi (2,661.39 km) |
| Gagnef to Siverek | 1,897.40 mi (3,053.58 km) |
| Gagnef to Sivrice | 1,854.09 mi (2,983.88 km) |
| Gagnef to Sivrihisar | 1,623.15 mi (2,612.21 km) |
| Gagnef to Sogut | 1,561.65 mi (2,513.24 km) |
| Gagnef to Sogutlu | 1,509.83 mi (2,429.84 km) |
| Gagnef to Soke | 1,667.60 mi (2,683.74 km) |
| Gagnef to Solhan | 1,865.31 mi (3,001.93 km) |
| Gagnef to Soma | 1,574.69 mi (2,534.22 km) |
| Gagnef to Sorgun | 1,673.86 mi (2,693.82 km) |
| Gagnef to Suhut | 1,665.16 mi (2,679.81 km) |
