| Le Mars to Smyrna (Delaware) | 1,095.55 mi (1,763.12 km) |
| Le Mars to Smyrna (Georgia) | 880.93 mi (1,417.72 km) |
| Le Mars to Smyrna (Tennessee) | 697.01 mi (1,121.72 km) |
| Le Mars to Snellville (Georgia) | 901.27 mi (1,450.45 km) |
| Le Mars to Snoqualmie (Washington) | 1,286.43 mi (2,070.30 km) |
| Le Mars to Snyder (Texas) | 741.88 mi (1,193.94 km) |
| Le Mars to Socastee (South Carolina) | 1,120.22 mi (1,802.81 km) |
| Le Mars to Socorro (Texas) | 947.56 mi (1,524.94 km) |
| Le Mars to Soddy-Daisy (Tennessee) | 785.48 mi (1,264.10 km) |
| Le Mars to Solana Beach (California) | 1,328.28 mi (2,137.66 km) |
| Le Mars to Soledad (California) | 1,403.26 mi (2,258.33 km) |
| Le Mars to Solon (Ohio) | 760.63 mi (1,224.11 km) |
| Le Mars to Somers Point (New Jersey) | 1,145.61 mi (1,843.68 km) |
| Le Mars to Somerset (Kentucky) | 727.15 mi (1,170.24 km) |
| Le Mars to Somerset (New Jersey) | 1,126.77 mi (1,813.36 km) |
