| Sliven to Smyrna (Delaware) | 4,963.87 mi (7,988.58 km) |
| Sliven to Smyrna (Georgia) | 5,580.26 mi (8,980.56 km) |
| Sliven to Smyrna (Tennessee) | 5,553.93 mi (8,938.18 km) |
| Sliven to Snellville (Georgia) | 5,560.08 mi (8,948.09 km) |
| Sliven to Snoqualmie (Washington) | 5,907.97 mi (9,507.97 km) |
| Sliven to Snyder (Texas) | 6,249.88 mi (10,058.21 km) |
| Sliven to Socastee (South Carolina) | 5,363.84 mi (8,632.27 km) |
| Sliven to Socorro (Texas) | 6,487.62 mi (10,440.82 km) |
| Sliven to Soddy-Daisy (Tennessee) | 5,537.02 mi (8,910.97 km) |
| Sliven to Solana Beach (California) | 6,722.62 mi (10,819.01 km) |
| Sliven to Soledad (California) | 6,603.01 mi (10,626.52 km) |
| Sliven to Solon (Ohio) | 5,095.51 mi (8,200.43 km) |
| Sliven to Somers Point (New Jersey) | 4,922.15 mi (7,921.43 km) |
| Sliven to Somerset (Kentucky) | 5,424.68 mi (8,730.18 km) |
| Sliven to Somerset (New Jersey) | 4,864.78 mi (7,829.11 km) |
