| Ashburn to Sinop | 5,422.91 mi (8,727.33 km) |
| Ashburn to Siran | 5,659.74 mi (9,108.47 km) |
| Ashburn to Sirnak | 5,916.90 mi (9,522.34 km) |
| Ashburn to Sirvan | 5,873.33 mi (9,452.20 km) |
| Ashburn to Sivas | 5,601.98 mi (9,015.51 km) |
| Ashburn to Sivasli | 5,370.74 mi (8,643.37 km) |
| Ashburn to Siverek | 5,787.32 mi (9,313.79 km) |
| Ashburn to Sivrice | 5,752.66 mi (9,258.01 km) |
| Ashburn to Sivrihisar | 5,402.17 mi (8,693.95 km) |
| Ashburn to Sogut | 5,322.00 mi (8,564.93 km) |
| Ashburn to Sogutlu | 5,294.45 mi (8,520.59 km) |
| Ashburn to Soke | 5,308.74 mi (8,543.59 km) |
| Ashburn to Solhan | 5,791.70 mi (9,320.84 km) |
| Ashburn to Soma | 5,253.90 mi (8,455.33 km) |
| Ashburn to Sorgun | 5,528.90 mi (8,897.91 km) |
