| Frederick to Solofra | 4,622.78 mi (7,439.64 km) |
| Frederick to Somma Lombardo | 4,186.45 mi (6,737.45 km) |
| Frederick to Somma Vesuviana | 4,603.17 mi (7,408.09 km) |
| Frederick to Sommacampagna | 4,287.26 mi (6,899.68 km) |
| Frederick to Sona | 4,285.43 mi (6,896.74 km) |
| Frederick to Sondrio | 4,220.33 mi (6,791.97 km) |
| Frederick to Sora | 4,535.97 mi (7,299.94 km) |
| Frederick to Sorbolo | 4,288.77 mi (6,902.11 km) |
| Frederick to Soresina | 4,248.80 mi (6,837.79 km) |
| Frederick to Sorisole | 4,225.42 mi (6,800.16 km) |
| Frederick to Sorrento | 4,609.54 mi (7,418.34 km) |
| Frederick to Sorso | 4,344.38 mi (6,991.60 km) |
| Frederick to Sortino | 4,771.31 mi (7,678.67 km) |
| Frederick to Soverato Marina | 4,780.35 mi (7,693.24 km) |
| Frederick to Sovicille | 4,376.09 mi (7,042.63 km) |
