| Grasse to Silver Firs (Washington) | 5,396.36 mi (8,684.61 km) |
| Grasse to Silver Spring (Maryland) | 4,173.34 mi (6,716.34 km) |
| Grasse to Silver Springs Shores (Florida) | 4,812.52 mi (7,745.01 km) |
| Grasse to Silverdale (Washington) | 5,421.69 mi (8,725.37 km) |
| Grasse to Silverton (Oregon) | 5,576.00 mi (8,973.71 km) |
| Grasse to Simi Valley (California) | 6,059.21 mi (9,751.36 km) |
| Grasse to Simpsonville (South Carolina) | 4,580.99 mi (7,372.38 km) |
| Grasse to Sioux City (Iowa) | 4,829.57 mi (7,772.44 km) |
| Grasse to Sioux Falls (South Dakota) | 4,794.82 mi (7,716.51 km) |
| Grasse to Skokie (Illinois) | 4,508.10 mi (7,255.09 km) |
| Grasse to Sleepy Hollow (New York) | 3,955.00 mi (6,364.96 km) |
| Grasse to Slidell (Louisiana) | 5,114.01 mi (8,230.20 km) |
| Grasse to Smithfield (North Carolina) | 4,372.02 mi (7,036.09 km) |
| Grasse to Smithfield (Utah) | 5,415.81 mi (8,715.90 km) |
| Grasse to Smithville (Missouri) | 4,900.42 mi (7,886.47 km) |
