| Staines-upon-Thames to Sesena | 797.58 mi (1,283.58 km) |
| Staines-upon-Thames to Sestao | 573.18 mi (922.44 km) |
| Staines-upon-Thames to Sevilla | 1,016.67 mi (1,636.18 km) |
| Staines-upon-Thames to Sevilla La Nueva | 784.22 mi (1,262.08 km) |
| Staines-upon-Thames to Silla | 834.12 mi (1,342.39 km) |
| Staines-upon-Thames to Silleda | 703.56 mi (1,132.27 km) |
| Staines-upon-Thames to Sitges | 713.26 mi (1,147.89 km) |
| Staines-upon-Thames to Socuellamos | 846.02 mi (1,361.54 km) |
| Staines-upon-Thames to Soller | 820.73 mi (1,320.84 km) |
| Staines-upon-Thames to Solsona | 659.19 mi (1,060.86 km) |
| Staines-upon-Thames to Son Servera | 837.13 mi (1,347.24 km) |
| Staines-upon-Thames to Sonseca | 827.39 mi (1,331.55 km) |
| Staines-upon-Thames to Sopelana | 568.14 mi (914.33 km) |
| Staines-upon-Thames to Soria | 674.30 mi (1,085.18 km) |
| Staines-upon-Thames to Suances | 576.83 mi (928.32 km) |
