| Heywood to Silver Firs (Washington) | 4,597.51 mi (7,398.98 km) |
| Heywood to Silver Spring (Maryland) | 3,533.40 mi (5,686.45 km) |
| Heywood to Silver Springs Shores (Florida) | 4,220.98 mi (6,793.01 km) |
| Heywood to Silverdale (Washington) | 4,622.64 mi (7,439.42 km) |
| Heywood to Silverton (Oregon) | 4,778.72 mi (7,690.61 km) |
| Heywood to Simi Valley (California) | 5,283.28 mi (8,502.62 km) |
| Heywood to Simpsonville (South Carolina) | 3,946.65 mi (6,351.51 km) |
| Heywood to Sioux City (Iowa) | 4,091.29 mi (6,584.29 km) |
| Heywood to Sioux Falls (South Dakota) | 4,051.07 mi (6,519.56 km) |
| Heywood to Skokie (Illinois) | 3,801.40 mi (6,117.77 km) |
| Heywood to Sleepy Hollow (New York) | 3,312.99 mi (5,331.74 km) |
| Heywood to Slidell (Louisiana) | 4,468.89 mi (7,191.98 km) |
| Heywood to Smithfield (North Carolina) | 3,752.89 mi (6,039.69 km) |
| Heywood to Smithfield (Utah) | 4,639.36 mi (7,466.33 km) |
| Heywood to Smithville (Missouri) | 4,182.61 mi (6,731.25 km) |
