| Rock Island to Sesena | 4,336.22 mi (6,978.47 km) |
| Rock Island to Sestao | 4,248.57 mi (6,837.41 km) |
| Rock Island to Sevilla | 4,339.66 mi (6,984.00 km) |
| Rock Island to Sevilla La Nueva | 4,312.46 mi (6,940.23 km) |
| Rock Island to Silla | 4,510.12 mi (7,258.34 km) |
| Rock Island to Silleda | 4,042.38 mi (6,505.58 km) |
| Rock Island to Sitges | 4,532.85 mi (7,294.92 km) |
| Rock Island to Socuellamos | 4,407.04 mi (7,092.44 km) |
| Rock Island to Soller | 4,629.72 mi (7,450.82 km) |
| Rock Island to Solsona | 4,490.90 mi (7,227.40 km) |
| Rock Island to Son Servera | 4,664.08 mi (7,506.11 km) |
| Rock Island to Sonseca | 4,340.07 mi (6,984.66 km) |
| Rock Island to Sopelana | 4,247.15 mi (6,835.12 km) |
| Rock Island to Soria | 4,328.44 mi (6,965.95 km) |
| Rock Island to Suances | 4,199.35 mi (6,758.20 km) |
