| West Des Moines to Sesena | 4,474.29 mi (7,200.67 km) |
| West Des Moines to Sestao | 4,381.09 mi (7,050.68 km) |
| West Des Moines to Sevilla | 4,483.42 mi (7,215.37 km) |
| West Des Moines to Sevilla La Nueva | 4,450.41 mi (7,162.24 km) |
| West Des Moines to Silla | 4,646.74 mi (7,478.21 km) |
| West Des Moines to Silleda | 4,179.70 mi (6,726.57 km) |
| West Des Moines to Sitges | 4,664.86 mi (7,507.37 km) |
| West Des Moines to Socuellamos | 4,545.61 mi (7,315.45 km) |
| West Des Moines to Soller | 4,763.21 mi (7,665.64 km) |
| West Des Moines to Solsona | 4,621.95 mi (7,438.32 km) |
| West Des Moines to Son Servera | 4,797.22 mi (7,720.38 km) |
| West Des Moines to Sonseca | 4,478.92 mi (7,208.12 km) |
| West Des Moines to Sopelana | 4,379.53 mi (7,048.17 km) |
| West Des Moines to Soria | 4,463.03 mi (7,182.56 km) |
| West Des Moines to Suances | 4,332.46 mi (6,972.41 km) |
