| Sofia to Security-Widefield (Colorado) | 5,936.11 mi (9,553.25 km) |
| Sofia to Sedalia (Missouri) | 5,551.76 mi (8,934.70 km) |
| Sofia to Sedro-Woolley (Washington) | 5,796.13 mi (9,327.96 km) |
| Sofia to Seguin (Texas) | 6,207.03 mi (9,989.25 km) |
| Sofia to Selden (New York) | 4,666.55 mi (7,510.08 km) |
| Sofia to Selma (Alabama) | 5,631.71 mi (9,063.35 km) |
| Sofia to Selma (California) | 6,483.68 mi (10,434.47 km) |
| Sofia to Selma (Texas) | 6,220.18 mi (10,010.41 km) |
| Sofia to Seminole (Florida) | 5,676.82 mi (9,135.95 km) |
| Sofia to Seven Hills (Ohio) | 4,989.16 mi (8,029.28 km) |
| Sofia to Seven Oaks (South Carolina) | 5,309.84 mi (8,545.36 km) |
| Sofia to Severn (Maryland) | 4,892.14 mi (7,873.13 km) |
| Sofia to Severna Park (Maryland) | 4,889.07 mi (7,868.20 km) |
| Sofia to Sevierville (Tennessee) | 5,322.15 mi (8,565.17 km) |
| Sofia to Seymour (Indiana) | 5,266.55 mi (8,475.69 km) |
