| Galveston to Sesena | 5,008.69 mi (8,060.71 km) |
| Galveston to Sestao | 4,952.85 mi (7,970.85 km) |
| Galveston to Sevilla | 4,974.81 mi (8,006.18 km) |
| Galveston to Sevilla La Nueva | 4,985.95 mi (8,024.12 km) |
| Galveston to Silla | 5,188.75 mi (8,350.49 km) |
| Galveston to Silleda | 4,723.42 mi (7,601.60 km) |
| Galveston to Sitges | 5,236.29 mi (8,426.99 km) |
| Galveston to Socuellamos | 5,075.47 mi (8,168.18 km) |
| Galveston to Soller | 5,324.29 mi (8,568.62 km) |
| Galveston to Solsona | 5,199.63 mi (8,368.00 km) |
| Galveston to Son Servera | 5,360.05 mi (8,626.17 km) |
| Galveston to Sonseca | 5,007.75 mi (8,059.19 km) |
| Galveston to Sopelana | 4,952.15 mi (7,969.71 km) |
| Galveston to Soria | 5,020.81 mi (8,080.21 km) |
| Galveston to Suances | 4,901.25 mi (7,887.80 km) |
