| Portales to Sesena | 5,194.85 mi (8,360.30 km) |
| Portales to Sestao | 5,106.65 mi (8,218.35 km) |
| Portales to Sevilla | 5,195.66 mi (8,361.60 km) |
| Portales to Sevilla La Nueva | 5,171.10 mi (8,322.09 km) |
| Portales to Silla | 5,368.87 mi (8,640.36 km) |
| Portales to Silleda | 4,901.10 mi (7,887.57 km) |
| Portales to Sitges | 5,390.78 mi (8,675.62 km) |
| Portales to Socuellamos | 5,265.57 mi (8,474.12 km) |
| Portales to Soller | 5,488.11 mi (8,832.26 km) |
| Portales to Solsona | 5,348.44 mi (8,607.48 km) |
| Portales to Son Servera | 5,522.38 mi (8,887.41 km) |
| Portales to Sonseca | 5,198.55 mi (8,366.25 km) |
| Portales to Sopelana | 5,105.18 mi (8,215.99 km) |
| Portales to Soria | 5,187.04 mi (8,347.73 km) |
| Portales to Suances | 5,057.60 mi (8,139.43 km) |
