| Fort Smith to Smyrna (Delaware) | 1,064.08 mi (1,712.47 km) |
| Fort Smith to Smyrna (Georgia) | 569.39 mi (916.34 km) |
| Fort Smith to Smyrna (Tennessee) | 442.25 mi (711.73 km) |
| Fort Smith to Snellville (Georgia) | 598.18 mi (962.67 km) |
| Fort Smith to Snoqualmie (Washington) | 1,640.20 mi (2,639.65 km) |
| Fort Smith to Snyder (Texas) | 416.41 mi (670.14 km) |
| Fort Smith to Socastee (South Carolina) | 881.08 mi (1,417.96 km) |
| Fort Smith to Socorro (Texas) | 730.94 mi (1,176.33 km) |
| Fort Smith to Soddy-Daisy (Tennessee) | 518.37 mi (834.23 km) |
| Fort Smith to Solana Beach (California) | 1,315.49 mi (2,117.08 km) |
| Fort Smith to Soledad (California) | 1,506.69 mi (2,424.78 km) |
| Fort Smith to Solon (Ohio) | 813.91 mi (1,309.87 km) |
| Fort Smith to Somers Point (New Jersey) | 1,117.28 mi (1,798.09 km) |
| Fort Smith to Somerset (Kentucky) | 556.74 mi (895.99 km) |
| Fort Smith to Somerset (New Jersey) | 1,137.03 mi (1,829.87 km) |
