| Huntsville to Sesena | 4,397.34 mi (7,076.84 km) |
| Huntsville to Sestao | 4,340.40 mi (6,985.19 km) |
| Huntsville to Sevilla | 4,366.99 mi (7,028.00 km) |
| Huntsville to Sevilla La Nueva | 4,374.52 mi (7,040.11 km) |
| Huntsville to Silla | 4,577.14 mi (7,366.19 km) |
| Huntsville to Silleda | 4,111.42 mi (6,616.70 km) |
| Huntsville to Sitges | 4,623.85 mi (7,441.36 km) |
| Huntsville to Socuellamos | 4,464.45 mi (7,184.84 km) |
| Huntsville to Soller | 4,712.04 mi (7,583.30 km) |
| Huntsville to Solsona | 4,587.17 mi (7,382.34 km) |
| Huntsville to Son Servera | 4,747.77 mi (7,640.80 km) |
| Huntsville to Sonseca | 4,396.73 mi (7,075.85 km) |
| Huntsville to Sopelana | 4,339.69 mi (6,984.05 km) |
| Huntsville to Soria | 4,408.53 mi (7,094.85 km) |
| Huntsville to Suances | 4,288.80 mi (6,902.16 km) |
