| Le Mars to Security-Widefield (Colorado) | 526.27 mi (846.94 km) |
| Le Mars to Sedalia (Missouri) | 320.81 mi (516.29 km) |
| Le Mars to Sedro-Woolley (Washington) | 1,312.08 mi (2,111.60 km) |
| Le Mars to Seguin (Texas) | 916.88 mi (1,475.58 km) |
| Le Mars to Selden (New York) | 1,194.21 mi (1,921.89 km) |
| Le Mars to Selma (Alabama) | 872.38 mi (1,403.96 km) |
| Le Mars to Selma (California) | 1,313.17 mi (2,113.34 km) |
| Le Mars to Selma (Texas) | 919.33 mi (1,479.52 km) |
| Le Mars to Seminole (Florida) | 1,275.18 mi (2,052.20 km) |
| Le Mars to Seven Hills (Ohio) | 748.88 mi (1,205.21 km) |
| Le Mars to Seven Oaks (South Carolina) | 1,010.45 mi (1,626.16 km) |
| Le Mars to Severn (Maryland) | 1,044.47 mi (1,680.90 km) |
| Le Mars to Severna Park (Maryland) | 1,052.01 mi (1,693.04 km) |
| Le Mars to Sevierville (Tennessee) | 823.59 mi (1,325.43 km) |
| Le Mars to Seymour (Indiana) | 598.44 mi (963.10 km) |
