| Knowsley to Silver Firs (Washington) | 4,588.49 mi (7,384.47 km) |
| Knowsley to Silver Spring (Maryland) | 3,510.99 mi (5,650.39 km) |
| Knowsley to Silver Springs Shores (Florida) | 4,197.28 mi (6,754.87 km) |
| Knowsley to Silverdale (Washington) | 4,613.71 mi (7,425.06 km) |
| Knowsley to Silverton (Oregon) | 4,769.10 mi (7,675.13 km) |
| Knowsley to Simi Valley (California) | 5,269.77 mi (8,480.87 km) |
| Knowsley to Simpsonville (South Carolina) | 3,924.19 mi (6,315.37 km) |
| Knowsley to Sioux City (Iowa) | 4,074.04 mi (6,556.54 km) |
| Knowsley to Sioux Falls (South Dakota) | 4,034.23 mi (6,492.46 km) |
| Knowsley to Skokie (Illinois) | 3,782.07 mi (6,086.65 km) |
| Knowsley to Sleepy Hollow (New York) | 3,290.57 mi (5,295.66 km) |
| Knowsley to Slidell (Louisiana) | 4,446.98 mi (7,156.72 km) |
| Knowsley to Smithfield (North Carolina) | 3,729.86 mi (6,002.62 km) |
| Knowsley to Smithfield (Utah) | 4,625.82 mi (7,444.54 km) |
| Knowsley to Smithville (Missouri) | 4,164.03 mi (6,701.36 km) |
