| Reston to Sesena | 3,805.71 mi (6,124.69 km) |
| Reston to Sestao | 3,749.72 mi (6,034.58 km) |
| Reston to Sevilla | 3,777.01 mi (6,078.51 km) |
| Reston to Sevilla La Nueva | 3,782.88 mi (6,087.95 km) |
| Reston to Silla | 3,985.49 mi (6,414.03 km) |
| Reston to Silleda | 3,519.85 mi (5,664.64 km) |
| Reston to Sitges | 4,032.92 mi (6,490.35 km) |
| Reston to Socuellamos | 3,872.88 mi (6,232.79 km) |
| Reston to Soller | 4,120.66 mi (6,631.55 km) |
| Reston to Solsona | 3,996.62 mi (6,431.94 km) |
| Reston to Son Servera | 4,156.42 mi (6,689.12 km) |
| Reston to Sonseca | 3,805.15 mi (6,123.80 km) |
| Reston to Sopelana | 3,749.06 mi (6,033.52 km) |
| Reston to Soria | 3,817.18 mi (6,143.15 km) |
| Reston to Suances | 3,698.00 mi (5,951.35 km) |
