| Ludwigsburg to Silver Firs (Washington) | 5,146.61 mi (8,282.66 km) |
| Ludwigsburg to Silver Spring (Maryland) | 4,108.99 mi (6,612.78 km) |
| Ludwigsburg to Silver Springs Shores (Florida) | 4,783.76 mi (7,698.72 km) |
| Ludwigsburg to Silverdale (Washington) | 5,170.95 mi (8,321.84 km) |
| Ludwigsburg to Silverton (Oregon) | 5,332.23 mi (8,581.39 km) |
| Ludwigsburg to Simi Valley (California) | 5,860.75 mi (9,431.97 km) |
| Ludwigsburg to Simpsonville (South Carolina) | 4,521.58 mi (7,276.79 km) |
| Ludwigsburg to Sioux City (Iowa) | 4,680.28 mi (7,532.19 km) |
| Ludwigsburg to Sioux Falls (South Dakota) | 4,639.55 mi (7,466.64 km) |
| Ludwigsburg to Skokie (Illinois) | 4,389.92 mi (7,064.90 km) |
| Ludwigsburg to Sleepy Hollow (New York) | 3,888.65 mi (6,258.17 km) |
| Ludwigsburg to Slidell (Louisiana) | 5,047.45 mi (8,123.09 km) |
| Ludwigsburg to Smithfield (North Carolina) | 4,323.12 mi (6,957.39 km) |
| Ludwigsburg to Smithfield (Utah) | 5,217.33 mi (8,396.49 km) |
| Ludwigsburg to Smithville (Missouri) | 4,771.94 mi (7,679.70 km) |
