| Sulmona to Sestao | 862.96 mi (1,388.80 km) |
| Sulmona to Sevilla | 1,107.47 mi (1,782.30 km) |
| Sulmona to Sevilla La Nueva | 939.05 mi (1,511.25 km) |
| Sulmona to Silla | 772.49 mi (1,243.20 km) |
| Sulmona to Silleda | 1,128.75 mi (1,816.55 km) |
| Sulmona to Sitges | 627.91 mi (1,010.52 km) |
| Sulmona to Socuellamos | 895.11 mi (1,440.53 km) |
| Sulmona to Soller | 606.53 mi (976.11 km) |
| Sulmona to Solsona | 636.37 mi (1,024.13 km) |
| Sulmona to Son Servera | 576.81 mi (928.28 km) |
| Sulmona to Sonseca | 946.11 mi (1,522.62 km) |
| Sulmona to Sopelana | 861.65 mi (1,386.68 km) |
| Sulmona to Soria | 841.87 mi (1,354.86 km) |
| Sulmona to Suances | 915.40 mi (1,473.19 km) |
| Sulmona to Sueca | 771.04 mi (1,240.87 km) |
