| Smolyan to Smyrna (Delaware) | 4,942.55 mi (7,954.27 km) |
| Smolyan to Smyrna (Georgia) | 5,560.62 mi (8,948.96 km) |
| Smolyan to Smyrna (Tennessee) | 5,539.53 mi (8,915.02 km) |
| Smolyan to Snellville (Georgia) | 5,539.84 mi (8,915.52 km) |
| Smolyan to Snoqualmie (Washington) | 5,948.17 mi (9,572.65 km) |
| Smolyan to Snyder (Texas) | 6,249.16 mi (10,057.05 km) |
| Smolyan to Socastee (South Carolina) | 5,337.71 mi (8,590.22 km) |
| Smolyan to Socorro (Texas) | 6,492.99 mi (10,449.45 km) |
| Smolyan to Soddy-Daisy (Tennessee) | 5,520.08 mi (8,883.71 km) |
| Smolyan to Solana Beach (California) | 6,745.09 mi (10,855.17 km) |
| Smolyan to Soledad (California) | 6,634.19 mi (10,676.70 km) |
| Smolyan to Solon (Ohio) | 5,083.39 mi (8,180.92 km) |
| Smolyan to Somers Point (New Jersey) | 4,899.85 mi (7,885.55 km) |
| Smolyan to Somerset (Kentucky) | 5,409.67 mi (8,706.02 km) |
| Smolyan to Somerset (New Jersey) | 4,844.27 mi (7,796.10 km) |
