| Hartlepool to Sinop | 1,856.16 mi (2,987.20 km) |
| Hartlepool to Siran | 2,095.30 mi (3,372.06 km) |
| Hartlepool to Sirnak | 2,352.25 mi (3,785.58 km) |
| Hartlepool to Sirvan | 2,309.17 mi (3,716.25 km) |
| Hartlepool to Sivas | 2,033.83 mi (3,273.14 km) |
| Hartlepool to Sivasli | 1,820.88 mi (2,930.42 km) |
| Hartlepool to Siverek | 2,219.00 mi (3,571.14 km) |
| Hartlepool to Sivrice | 2,184.98 mi (3,516.38 km) |
| Hartlepool to Sivrihisar | 1,840.17 mi (2,961.47 km) |
| Hartlepool to Sogut | 1,761.72 mi (2,835.21 km) |
| Hartlepool to Sogutlu | 1,729.98 mi (2,784.14 km) |
| Hartlepool to Soke | 1,778.47 mi (2,862.17 km) |
| Hartlepool to Solhan | 2,227.93 mi (3,585.50 km) |
| Hartlepool to Soma | 1,710.11 mi (2,752.16 km) |
| Hartlepool to Sorgun | 1,960.47 mi (3,155.08 km) |
