| Alucra to Sesena | 2,218.70 mi (3,570.66 km) |
| Alucra to Sestao | 2,138.56 mi (3,441.68 km) |
| Alucra to Sevilla | 2,394.46 mi (3,853.51 km) |
| Alucra to Sevilla La Nueva | 2,231.43 mi (3,591.14 km) |
| Alucra to Silla | 2,062.39 mi (3,319.10 km) |
| Alucra to Silleda | 2,405.90 mi (3,871.91 km) |
| Alucra to Sitges | 1,920.34 mi (3,090.49 km) |
| Alucra to Socuellamos | 2,186.69 mi (3,519.13 km) |
| Alucra to Soller | 1,894.83 mi (3,049.44 km) |
| Alucra to Solsona | 1,925.92 mi (3,099.48 km) |
| Alucra to Son Servera | 1,862.90 mi (2,998.05 km) |
| Alucra to Sonseca | 2,238.73 mi (3,602.89 km) |
| Alucra to Sopelana | 2,136.49 mi (3,438.35 km) |
| Alucra to Soria | 2,130.40 mi (3,428.55 km) |
| Alucra to Suances | 2,188.99 mi (3,522.84 km) |
