| Gadsden to Sesena | 4,392.47 mi (7,068.99 km) |
| Gadsden to Sestao | 4,339.18 mi (6,983.24 km) |
| Gadsden to Sevilla | 4,358.26 mi (7,013.94 km) |
| Gadsden to Sevilla La Nueva | 4,369.79 mi (7,032.49 km) |
| Gadsden to Silla | 4,572.71 mi (7,359.07 km) |
| Gadsden to Silleda | 4,107.87 mi (6,610.98 km) |
| Gadsden to Sitges | 4,622.16 mi (7,438.65 km) |
| Gadsden to Socuellamos | 4,459.06 mi (7,176.16 km) |
| Gadsden to Soller | 4,709.23 mi (7,578.77 km) |
| Gadsden to Solsona | 4,586.15 mi (7,380.70 km) |
| Gadsden to Son Servera | 4,745.07 mi (7,636.46 km) |
| Gadsden to Sonseca | 4,391.33 mi (7,067.17 km) |
| Gadsden to Sopelana | 4,338.56 mi (6,982.23 km) |
| Gadsden to Soria | 4,405.85 mi (7,090.53 km) |
| Gadsden to Suances | 4,287.38 mi (6,899.87 km) |
