| Galveston to Sestu | 5,637.09 mi (9,072.02 km) |
| Galveston to Settimo Torinese | 5,375.10 mi (8,650.39 km) |
| Galveston to Seveso | 5,415.28 mi (8,715.06 km) |
| Galveston to Sezze | 5,733.12 mi (9,226.57 km) |
| Galveston to Siano | 5,830.30 mi (9,382.96 km) |
| Galveston to Siena | 5,590.85 mi (8,997.61 km) |
| Galveston to Signa | 5,564.05 mi (8,954.48 km) |
| Galveston to Silea | 5,545.36 mi (8,924.39 km) |
| Galveston to Silvi Paese | 5,737.99 mi (9,234.40 km) |
| Galveston to Sinalunga | 5,611.71 mi (9,031.18 km) |
| Galveston to Siniscola | 5,618.79 mi (9,042.57 km) |
| Galveston to Sinnai | 5,642.07 mi (9,080.03 km) |
| Galveston to Siracusa | 6,003.06 mi (9,661.00 km) |
| Galveston to Solaro | 5,414.04 mi (8,713.05 km) |
| Galveston to Soliera | 5,522.06 mi (8,886.90 km) |
