| Owings Mills to Smyrna (Delaware) | 63.73 mi (102.56 km) |
| Owings Mills to Smyrna (Georgia) | 574.40 mi (924.40 km) |
| Owings Mills to Smyrna (Tennessee) | 582.58 mi (937.58 km) |
| Owings Mills to Snellville (Georgia) | 553.93 mi (891.46 km) |
| Owings Mills to Snoqualmie (Washington) | 2,293.18 mi (3,690.51 km) |
| Owings Mills to Snyder (Texas) | 1,419.29 mi (2,284.13 km) |
| Owings Mills to Socastee (South Carolina) | 414.18 mi (666.56 km) |
| Owings Mills to Socorro (Texas) | 1,732.92 mi (2,788.87 km) |
| Owings Mills to Soddy-Daisy (Tennessee) | 542.28 mi (872.72 km) |
| Owings Mills to Solana Beach (California) | 2,279.68 mi (3,668.79 km) |
| Owings Mills to Soledad (California) | 2,412.08 mi (3,881.86 km) |
| Owings Mills to Solon (Ohio) | 280.04 mi (450.67 km) |
| Owings Mills to Somers Point (New Jersey) | 116.88 mi (188.11 km) |
| Owings Mills to Somerset (Kentucky) | 453.58 mi (729.96 km) |
| Owings Mills to Somerset (New Jersey) | 143.01 mi (230.16 km) |
