| London Colney to Sesena | 819.24 mi (1,318.44 km) |
| London Colney to Sestao | 594.87 mi (957.35 km) |
| London Colney to Sevilla | 1,038.64 mi (1,671.53 km) |
| London Colney to Sevilla La Nueva | 805.98 mi (1,297.10 km) |
| London Colney to Silla | 854.30 mi (1,374.86 km) |
| London Colney to Silleda | 725.36 mi (1,167.35 km) |
| London Colney to Sitges | 731.73 mi (1,177.61 km) |
| London Colney to Socuellamos | 867.33 mi (1,395.83 km) |
| London Colney to Soller | 838.68 mi (1,349.73 km) |
| London Colney to Solsona | 677.79 mi (1,090.80 km) |
| London Colney to Son Servera | 854.56 mi (1,375.29 km) |
| London Colney to Sonseca | 849.09 mi (1,366.48 km) |
| London Colney to Sopelana | 589.83 mi (949.24 km) |
| London Colney to Soria | 695.64 mi (1,119.53 km) |
| London Colney to Suances | 598.82 mi (963.72 km) |
