| Halstead to Smyrna (Delaware) | 3,610.91 mi (5,811.19 km) |
| Halstead to Smyrna (Georgia) | 4,227.55 mi (6,803.58 km) |
| Halstead to Smyrna (Tennessee) | 4,204.14 mi (6,765.91 km) |
| Halstead to Snellville (Georgia) | 4,207.24 mi (6,770.90 km) |
| Halstead to Snoqualmie (Washington) | 4,771.98 mi (7,679.76 km) |
| Halstead to Snyder (Texas) | 4,921.88 mi (7,921.01 km) |
| Halstead to Socastee (South Carolina) | 4,012.17 mi (6,456.96 km) |
| Halstead to Socorro (Texas) | 5,175.21 mi (8,328.70 km) |
| Halstead to Soddy-Daisy (Tennessee) | 4,185.40 mi (6,735.75 km) |
| Halstead to Solana Beach (California) | 5,474.19 mi (8,809.86 km) |
| Halstead to Soledad (California) | 5,400.68 mi (8,691.55 km) |
| Halstead to Solon (Ohio) | 3,748.03 mi (6,031.87 km) |
| Halstead to Somers Point (New Jersey) | 3,569.24 mi (5,744.13 km) |
| Halstead to Somerset (Kentucky) | 4,074.37 mi (6,557.06 km) |
| Halstead to Somerset (New Jersey) | 3,511.86 mi (5,651.80 km) |
