| Upper Grand Lagoon to Sesena | 4,523.08 mi (7,279.20 km) |
| Upper Grand Lagoon to Sestao | 4,483.80 mi (7,215.98 km) |
| Upper Grand Lagoon to Sevilla | 4,473.71 mi (7,199.74 km) |
| Upper Grand Lagoon to Sevilla La Nueva | 4,501.00 mi (7,243.66 km) |
| Upper Grand Lagoon to Silla | 4,704.59 mi (7,571.31 km) |
| Upper Grand Lagoon to Silleda | 4,244.32 mi (6,830.58 km) |
| Upper Grand Lagoon to Sitges | 4,764.33 mi (7,667.45 km) |
| Upper Grand Lagoon to Socuellamos | 4,587.48 mi (7,382.83 km) |
| Upper Grand Lagoon to Soller | 4,846.94 mi (7,800.40 km) |
| Upper Grand Lagoon to Solsona | 4,730.90 mi (7,613.65 km) |
| Upper Grand Lagoon to Son Servera | 4,883.15 mi (7,858.67 km) |
| Upper Grand Lagoon to Sonseca | 4,519.95 mi (7,274.15 km) |
| Upper Grand Lagoon to Sopelana | 4,483.49 mi (7,215.48 km) |
| Upper Grand Lagoon to Soria | 4,544.82 mi (7,314.18 km) |
| Upper Grand Lagoon to Suances | 4,431.36 mi (7,131.58 km) |
