| West Des Moines to Solofra | 5,206.56 mi (8,379.16 km) |
| West Des Moines to Somma Lombardo | 4,753.73 mi (7,650.39 km) |
| West Des Moines to Somma Vesuviana | 5,188.87 mi (8,350.68 km) |
| West Des Moines to Sommacampagna | 4,846.87 mi (7,800.29 km) |
| West Des Moines to Sona | 4,844.78 mi (7,796.92 km) |
| West Des Moines to Sondrio | 4,776.65 mi (7,687.28 km) |
| West Des Moines to Sora | 5,118.11 mi (8,236.81 km) |
| West Des Moines to Sorbolo | 4,856.20 mi (7,815.30 km) |
| West Des Moines to Soresina | 4,814.59 mi (7,748.34 km) |
| West Des Moines to Sorisole | 4,787.42 mi (7,704.61 km) |
| West Des Moines to Sorrento | 5,197.89 mi (8,365.20 km) |
| West Des Moines to Sorso | 4,961.64 mi (7,984.99 km) |
| West Des Moines to Sortino | 5,387.28 mi (8,669.99 km) |
| West Des Moines to Soverato Marina | 5,374.30 mi (8,649.11 km) |
| West Des Moines to Sovicille | 4,955.48 mi (7,975.07 km) |
