| Middlesbrough to Sereflikochisar | 1,938.49 mi (3,119.71 km) |
| Middlesbrough to Serik | 1,950.86 mi (3,139.60 km) |
| Middlesbrough to Serinhisar | 1,850.31 mi (2,977.78 km) |
| Middlesbrough to Serinyol | 2,167.71 mi (3,488.60 km) |
| Middlesbrough to Seydisehir | 1,952.23 mi (3,141.82 km) |
| Middlesbrough to Seyhan | 2,103.82 mi (3,385.77 km) |
| Middlesbrough to Seyitgazi | 1,807.09 mi (2,908.22 km) |
| Middlesbrough to Siirt | 2,312.02 mi (3,720.84 km) |
| Middlesbrough to Sile | 1,682.31 mi (2,707.42 km) |
| Middlesbrough to Silifke | 2,082.58 mi (3,351.59 km) |
| Middlesbrough to Silivri | 1,636.43 mi (2,633.59 km) |
| Middlesbrough to Silopi | 2,365.21 mi (3,806.44 km) |
| Middlesbrough to Simav | 1,762.46 mi (2,836.40 km) |
| Middlesbrough to Sinanpasa | 1,825.60 mi (2,938.01 km) |
| Middlesbrough to Sindirgi | 1,725.21 mi (2,776.46 km) |
