| Owings Mills to Silver Firs (Washington) | 2,306.47 mi (3,711.91 km) |
| Owings Mills to Silver Spring (Maryland) | 30.79 mi (49.56 km) |
| Owings Mills to Silver Springs Shores (Florida) | 771.19 mi (1,241.11 km) |
| Owings Mills to Silverdale (Washington) | 2,331.86 mi (3,752.76 km) |
| Owings Mills to Silverton (Oregon) | 2,352.91 mi (3,786.64 km) |
| Owings Mills to Simi Valley (California) | 2,326.10 mi (3,743.49 km) |
| Owings Mills to Simpsonville (South Carolina) | 441.94 mi (711.24 km) |
| Owings Mills to Sioux City (Iowa) | 1,042.17 mi (1,677.21 km) |
| Owings Mills to Sioux Falls (South Dakota) | 1,067.97 mi (1,718.74 km) |
| Owings Mills to Skokie (Illinois) | 600.80 mi (966.89 km) |
| Owings Mills to Sleepy Hollow (New York) | 192.86 mi (310.38 km) |
| Owings Mills to Slidell (Louisiana) | 967.66 mi (1,557.29 km) |
| Owings Mills to Smithfield (North Carolina) | 282.56 mi (454.73 km) |
| Owings Mills to Smithfield (Utah) | 1,832.18 mi (2,948.61 km) |
| Owings Mills to Smithville (Missouri) | 947.90 mi (1,525.50 km) |
