| Tonbridge to Sinop | 1,752.37 mi (2,820.16 km) |
| Tonbridge to Siran | 1,994.83 mi (3,210.36 km) |
| Tonbridge to Sirnak | 2,249.01 mi (3,619.44 km) |
| Tonbridge to Sirvan | 2,207.27 mi (3,552.26 km) |
| Tonbridge to Sivas | 1,922.32 mi (3,093.68 km) |
| Tonbridge to Sivasli | 1,670.56 mi (2,688.51 km) |
| Tonbridge to Siverek | 2,104.90 mi (3,387.50 km) |
| Tonbridge to Sivrice | 2,074.77 mi (3,339.02 km) |
| Tonbridge to Sivrihisar | 1,703.86 mi (2,742.10 km) |
| Tonbridge to Sogut | 1,623.03 mi (2,612.01 km) |
| Tonbridge to Sogutlu | 1,598.53 mi (2,572.58 km) |
| Tonbridge to Soke | 1,613.80 mi (2,597.17 km) |
| Tonbridge to Solhan | 2,127.47 mi (3,423.83 km) |
| Tonbridge to Soma | 1,554.52 mi (2,501.76 km) |
| Tonbridge to Sorgun | 1,841.95 mi (2,964.33 km) |
