| Knowle to Silver Firs (Washington) | 4,674.78 mi (7,523.34 km) |
| Knowle to Silver Spring (Maryland) | 3,576.07 mi (5,755.13 km) |
| Knowle to Silver Springs Shores (Florida) | 4,257.14 mi (6,851.20 km) |
| Knowle to Silverdale (Washington) | 4,700.04 mi (7,563.98 km) |
| Knowle to Silverton (Oregon) | 4,855.13 mi (7,813.58 km) |
| Knowle to Simi Valley (California) | 5,352.86 mi (8,614.59 km) |
| Knowle to Simpsonville (South Carolina) | 3,989.00 mi (6,419.68 km) |
| Knowle to Sioux City (Iowa) | 4,152.04 mi (6,682.06 km) |
| Knowle to Sioux Falls (South Dakota) | 4,112.92 mi (6,619.10 km) |
| Knowle to Skokie (Illinois) | 3,855.87 mi (6,205.43 km) |
| Knowle to Sleepy Hollow (New York) | 3,355.66 mi (5,400.42 km) |
| Knowle to Slidell (Louisiana) | 4,513.58 mi (7,263.91 km) |
| Knowle to Smithfield (North Carolina) | 3,792.57 mi (6,103.56 km) |
| Knowle to Smithfield (Utah) | 4,708.91 mi (7,578.25 km) |
| Knowle to Smithville (Missouri) | 4,239.45 mi (6,822.74 km) |
