| Grinon to Silver Firs (Washington) | 5,275.53 mi (8,490.14 km) |
| Grinon to Silver Spring (Maryland) | 3,777.89 mi (6,079.93 km) |
| Grinon to Silver Springs Shores (Florida) | 4,366.29 mi (7,026.87 km) |
| Grinon to Silverdale (Washington) | 5,302.47 mi (8,533.49 km) |
| Grinon to Silverton (Oregon) | 5,439.85 mi (8,754.60 km) |
| Grinon to Simi Valley (California) | 5,830.41 mi (9,383.13 km) |
| Grinon to Simpsonville (South Carolina) | 4,173.17 mi (6,716.07 km) |
| Grinon to Sioux City (Iowa) | 4,540.67 mi (7,307.50 km) |
| Grinon to Sioux Falls (South Dakota) | 4,515.75 mi (7,267.40 km) |
| Grinon to Skokie (Illinois) | 4,178.83 mi (6,725.18 km) |
| Grinon to Sleepy Hollow (New York) | 3,565.87 mi (5,738.72 km) |
| Grinon to Slidell (Louisiana) | 4,707.67 mi (7,576.27 km) |
| Grinon to Smithfield (North Carolina) | 3,954.62 mi (6,364.35 km) |
| Grinon to Smithfield (Utah) | 5,197.36 mi (8,364.34 km) |
| Grinon to Smithville (Missouri) | 4,579.37 mi (7,369.78 km) |
