| Frederick to Sestu | 4,420.37 mi (7,113.89 km) |
| Frederick to Settimo Torinese | 4,164.03 mi (6,701.36 km) |
| Frederick to Seveso | 4,206.41 mi (6,769.56 km) |
| Frederick to Sezze | 4,519.78 mi (7,273.89 km) |
| Frederick to Siano | 4,617.11 mi (7,430.51 km) |
| Frederick to Siena | 4,379.13 mi (7,047.53 km) |
| Frederick to Signa | 4,352.99 mi (7,005.46 km) |
| Frederick to Silea | 4,339.62 mi (6,983.95 km) |
| Frederick to Silvi Paese | 4,527.18 mi (7,285.79 km) |
| Frederick to Sinalunga | 4,400.12 mi (7,081.32 km) |
| Frederick to Siniscola | 4,402.79 mi (7,085.61 km) |
| Frederick to Sinnai | 4,425.36 mi (7,121.92 km) |
| Frederick to Siracusa | 4,786.67 mi (7,703.40 km) |
| Frederick to Solaro | 4,205.05 mi (6,767.37 km) |
| Frederick to Soliera | 4,312.78 mi (6,940.75 km) |
