| Rockville to Solofra | 4,625.19 mi (7,443.52 km) |
| Rockville to Somma Lombardo | 4,189.91 mi (6,743.01 km) |
| Rockville to Somma Vesuviana | 4,605.51 mi (7,411.85 km) |
| Rockville to Sommacampagna | 4,290.97 mi (6,905.65 km) |
| Rockville to Sona | 4,289.16 mi (6,902.73 km) |
| Rockville to Sondrio | 4,224.23 mi (6,798.25 km) |
| Rockville to Sora | 4,538.51 mi (7,304.03 km) |
| Rockville to Sorbolo | 4,292.14 mi (6,907.53 km) |
| Rockville to Soresina | 4,252.27 mi (6,843.37 km) |
| Rockville to Sorisole | 4,229.07 mi (6,806.04 km) |
| Rockville to Sorrento | 4,611.76 mi (7,421.91 km) |
| Rockville to Sorso | 4,345.45 mi (6,993.32 km) |
| Rockville to Sortino | 4,772.15 mi (7,680.04 km) |
| Rockville to Soverato Marina | 4,782.20 mi (7,696.21 km) |
| Rockville to Sovicille | 4,378.87 mi (7,047.11 km) |
