| Seymour to Secaucus (New Jersey) | 639.27 mi (1,028.80 km) |
| Seymour to Security-Widefield (Colorado) | 1,011.17 mi (1,627.32 km) |
| Seymour to Sedalia (Missouri) | 395.49 mi (636.48 km) |
| Seymour to Sedro-Woolley (Washington) | 1,909.62 mi (3,073.24 km) |
| Seymour to Seguin (Texas) | 943.67 mi (1,518.68 km) |
| Seymour to Selden (New York) | 692.92 mi (1,115.15 km) |
| Seymour to Selma (Alabama) | 455.77 mi (733.49 km) |
| Seymour to Selma (California) | 1,838.90 mi (2,959.43 km) |
| Seymour to Selma (Texas) | 958.19 mi (1,542.06 km) |
| Seymour to Seminole (Florida) | 787.73 mi (1,267.73 km) |
| Seymour to Seven Hills (Ohio) | 278.94 mi (448.92 km) |
| Seymour to Seven Oaks (South Carolina) | 428.99 mi (690.40 km) |
| Seymour to Severn (Maryland) | 493.43 mi (794.09 km) |
| Seymour to Severna Park (Maryland) | 500.32 mi (805.19 km) |
| Seymour to Sevierville (Tennessee) | 246.89 mi (397.33 km) |
