| Radstock to Sinop | 1,870.20 mi (3,009.80 km) |
| Radstock to Siran | 2,112.70 mi (3,400.06 km) |
| Radstock to Sirnak | 2,366.75 mi (3,808.92 km) |
| Radstock to Sirvan | 2,325.06 mi (3,741.83 km) |
| Radstock to Sivas | 2,039.80 mi (3,282.74 km) |
| Radstock to Sivasli | 1,784.28 mi (2,871.52 km) |
| Radstock to Siverek | 2,222.16 mi (3,576.23 km) |
| Radstock to Sivrice | 2,192.26 mi (3,528.11 km) |
| Radstock to Sivrihisar | 1,819.47 mi (2,928.15 km) |
| Radstock to Sogut | 1,738.43 mi (2,797.74 km) |
| Radstock to Sogutlu | 1,714.74 mi (2,759.61 km) |
| Radstock to Soke | 1,724.92 mi (2,775.99 km) |
| Radstock to Solhan | 2,245.31 mi (3,613.48 km) |
| Radstock to Soma | 1,667.51 mi (2,683.61 km) |
| Radstock to Sorgun | 1,959.05 mi (3,152.79 km) |
