| Alpu to Silver Firs (Washington) | 6,161.19 mi (9,915.47 km) |
| Alpu to Silver Spring (Maryland) | 5,347.26 mi (8,605.58 km) |
| Alpu to Silver Springs Shores (Florida) | 6,023.56 mi (9,693.98 km) |
| Alpu to Silverdale (Washington) | 6,182.51 mi (9,949.79 km) |
| Alpu to Silverton (Oregon) | 6,357.10 mi (10,230.76 km) |
| Alpu to Simi Valley (California) | 6,968.31 mi (11,214.42 km) |
| Alpu to Simpsonville (South Carolina) | 5,760.23 mi (9,270.19 km) |
| Alpu to Sioux City (Iowa) | 5,868.16 mi (9,443.88 km) |
| Alpu to Sioux Falls (South Dakota) | 5,821.70 mi (9,369.12 km) |
| Alpu to Skokie (Illinois) | 5,605.33 mi (9,020.91 km) |
| Alpu to Sleepy Hollow (New York) | 5,126.84 mi (8,250.85 km) |
| Alpu to Slidell (Louisiana) | 6,284.00 mi (10,113.12 km) |
| Alpu to Smithfield (North Carolina) | 5,563.06 mi (8,952.87 km) |
| Alpu to Smithfield (Utah) | 6,334.74 mi (10,194.79 km) |
| Alpu to Smithville (Missouri) | 5,977.65 mi (9,620.09 km) |
