| Ilawa to Sestao | 1,246.29 mi (2,005.70 km) |
| Ilawa to Sevilla | 1,660.57 mi (2,672.43 km) |
| Ilawa to Sevilla La Nueva | 1,428.79 mi (2,299.42 km) |
| Ilawa to Silla | 1,358.54 mi (2,186.36 km) |
| Ilawa to Silleda | 1,472.30 mi (2,369.45 km) |
| Ilawa to Sitges | 1,184.90 mi (1,906.92 km) |
| Ilawa to Socuellamos | 1,441.11 mi (2,319.24 km) |
| Ilawa to Soller | 1,239.41 mi (1,994.63 km) |
| Ilawa to Solsona | 1,153.25 mi (1,855.97 km) |
| Ilawa to Son Servera | 1,228.49 mi (1,977.07 km) |
| Ilawa to Sonseca | 1,459.44 mi (2,348.75 km) |
| Ilawa to Sopelana | 1,242.01 mi (1,998.82 km) |
| Ilawa to Soria | 1,301.57 mi (2,094.68 km) |
| Ilawa to Suances | 1,279.54 mi (2,059.23 km) |
| Ilawa to Sueca | 1,364.16 mi (2,195.41 km) |
