| Erba to Silver Firs (Washington) | 5,329.09 mi (8,576.34 km) |
| Erba to Silver Spring (Maryland) | 4,205.39 mi (6,767.92 km) |
| Erba to Silver Springs Shores (Florida) | 4,862.67 mi (7,825.71 km) |
| Erba to Silverdale (Washington) | 5,353.83 mi (8,616.15 km) |
| Erba to Silverton (Oregon) | 5,512.48 mi (8,871.49 km) |
| Erba to Simi Valley (California) | 6,022.66 mi (9,692.54 km) |
| Erba to Simpsonville (South Carolina) | 4,616.03 mi (7,428.78 km) |
| Erba to Sioux City (Iowa) | 4,818.97 mi (7,755.38 km) |
| Erba to Sioux Falls (South Dakota) | 4,780.98 mi (7,694.24 km) |
| Erba to Skokie (Illinois) | 4,513.48 mi (7,263.74 km) |
| Erba to Sleepy Hollow (New York) | 3,985.73 mi (6,414.42 km) |
| Erba to Slidell (Louisiana) | 5,146.20 mi (8,282.02 km) |
| Erba to Smithfield (North Carolina) | 4,411.90 mi (7,100.27 km) |
| Erba to Smithfield (Utah) | 5,378.72 mi (8,656.21 km) |
| Erba to Smithville (Missouri) | 4,900.91 mi (7,887.25 km) |
