| Southend to Sereflikochisar | 1,797.80 mi (2,893.27 km) |
| Southend to Serik | 1,792.27 mi (2,884.38 km) |
| Southend to Serinhisar | 1,688.01 mi (2,716.59 km) |
| Southend to Serinyol | 2,024.45 mi (3,258.04 km) |
| Southend to Seydisehir | 1,798.44 mi (2,894.31 km) |
| Southend to Seyhan | 1,960.24 mi (3,154.71 km) |
| Southend to Seyitgazi | 1,658.68 mi (2,669.38 km) |
| Southend to Siirt | 2,194.76 mi (3,532.12 km) |
| Southend to Sile | 1,539.26 mi (2,477.20 km) |
| Southend to Silifke | 1,931.61 mi (3,108.62 km) |
| Southend to Silivri | 1,487.64 mi (2,394.12 km) |
| Southend to Silopi | 2,246.56 mi (3,615.49 km) |
| Southend to Simav | 1,605.96 mi (2,584.55 km) |
| Southend to Sinanpasa | 1,672.15 mi (2,691.06 km) |
| Southend to Sindirgi | 1,566.47 mi (2,521.00 km) |
