| Smolyan to Security-Widefield (Colorado) | 6,040.05 mi (9,720.53 km) |
| Smolyan to Sedalia (Missouri) | 5,655.98 mi (9,102.42 km) |
| Smolyan to Sedro-Woolley (Washington) | 5,893.76 mi (9,485.10 km) |
| Smolyan to Seguin (Texas) | 6,310.90 mi (10,156.41 km) |
| Smolyan to Selden (New York) | 4,768.72 mi (7,674.51 km) |
| Smolyan to Selma (Alabama) | 5,734.30 mi (9,228.47 km) |
| Smolyan to Selma (California) | 6,584.99 mi (10,597.51 km) |
| Smolyan to Selma (Texas) | 6,324.08 mi (10,177.63 km) |
| Smolyan to Seminole (Florida) | 5,776.95 mi (9,297.10 km) |
| Smolyan to Seven Hills (Ohio) | 5,092.73 mi (8,195.96 km) |
| Smolyan to Seven Oaks (South Carolina) | 5,411.59 mi (8,709.12 km) |
| Smolyan to Severn (Maryland) | 4,994.46 mi (8,037.81 km) |
| Smolyan to Severna Park (Maryland) | 4,991.36 mi (8,032.82 km) |
| Smolyan to Sevierville (Tennessee) | 5,424.89 mi (8,730.52 km) |
| Smolyan to Seymour (Indiana) | 5,370.21 mi (8,642.51 km) |
