| Lastra a Signa to Sestao | 706.34 mi (1,136.75 km) |
| Lastra a Signa to Sevilla | 1,002.08 mi (1,612.70 km) |
| Lastra a Signa to Sevilla La Nueva | 809.91 mi (1,303.42 km) |
| Lastra a Signa to Silla | 667.53 mi (1,074.28 km) |
| Lastra a Signa to Silleda | 973.79 mi (1,567.16 km) |
| Lastra a Signa to Sitges | 504.49 mi (811.89 km) |
| Lastra a Signa to Socuellamos | 781.03 mi (1,256.95 km) |
| Lastra a Signa to Soller | 513.19 mi (825.90 km) |
| Lastra a Signa to Solsona | 500.04 mi (804.73 km) |
| Lastra a Signa to Son Servera | 491.10 mi (790.34 km) |
| Lastra a Signa to Sonseca | 823.84 mi (1,325.85 km) |
| Lastra a Signa to Sopelana | 704.42 mi (1,133.65 km) |
| Lastra a Signa to Soria | 701.03 mi (1,128.20 km) |
| Lastra a Signa to Suances | 757.33 mi (1,218.80 km) |
| Lastra a Signa to Sueca | 668.72 mi (1,076.20 km) |
