| Grammichele to Silver Firs (Washington) | 5,984.29 mi (9,630.79 km) |
| Grammichele to Silver Spring (Maryland) | 4,748.88 mi (7,642.58 km) |
| Grammichele to Silver Springs Shores (Florida) | 5,365.98 mi (8,635.70 km) |
| Grammichele to Silverdale (Washington) | 6,009.19 mi (9,670.85 km) |
| Grammichele to Silverton (Oregon) | 6,166.62 mi (9,924.22 km) |
| Grammichele to Simi Valley (California) | 6,660.94 mi (10,719.74 km) |
| Grammichele to Simpsonville (South Carolina) | 5,152.55 mi (8,292.23 km) |
| Grammichele to Sioux City (Iowa) | 5,429.82 mi (8,738.44 km) |
| Grammichele to Sioux Falls (South Dakota) | 5,395.85 mi (8,683.78 km) |
| Grammichele to Skokie (Illinois) | 5,102.35 mi (8,211.44 km) |
| Grammichele to Sleepy Hollow (New York) | 4,532.31 mi (7,294.05 km) |
| Grammichele to Slidell (Louisiana) | 5,687.13 mi (9,152.55 km) |
| Grammichele to Smithfield (North Carolina) | 4,939.11 mi (7,948.73 km) |
| Grammichele to Smithfield (Utah) | 6,017.35 mi (9,683.99 km) |
| Grammichele to Smithville (Missouri) | 5,496.66 mi (8,846.02 km) |
