| Seaside to Sesena | 5,842.06 mi (9,401.88 km) |
| Seaside to Sestao | 5,711.36 mi (9,191.55 km) |
| Seaside to Sevilla | 5,890.99 mi (9,480.63 km) |
| Seaside to Sevilla La Nueva | 5,817.81 mi (9,362.86 km) |
| Seaside to Silla | 6,000.77 mi (9,657.30 km) |
| Seaside to Silleda | 5,548.00 mi (8,928.65 km) |
| Seaside to Sitges | 5,984.77 mi (9,631.56 km) |
| Seaside to Socuellamos | 5,915.62 mi (9,520.27 km) |
| Seaside to Soller | 6,091.75 mi (9,803.73 km) |
| Seaside to Solsona | 5,935.88 mi (9,552.87 km) |
| Seaside to Son Servera | 6,122.46 mi (9,853.14 km) |
| Seaside to Sonseca | 5,852.14 mi (9,418.11 km) |
| Seaside to Sopelana | 5,708.86 mi (9,187.53 km) |
| Seaside to Soria | 5,806.28 mi (9,344.30 km) |
| Seaside to Suances | 5,668.03 mi (9,121.81 km) |
