| Alessandria to Silver Firs (Washington) | 5,367.17 mi (8,637.63 km) |
| Alessandria to Silver Spring (Maryland) | 4,208.23 mi (6,772.49 km) |
| Alessandria to Silver Springs Shores (Florida) | 4,858.89 mi (7,819.63 km) |
| Alessandria to Silverdale (Washington) | 5,392.11 mi (8,677.76 km) |
| Alessandria to Silverton (Oregon) | 5,549.37 mi (8,930.85 km) |
| Alessandria to Simi Valley (California) | 6,050.58 mi (9,737.47 km) |
| Alessandria to Simpsonville (South Carolina) | 4,617.88 mi (7,431.76 km) |
| Alessandria to Sioux City (Iowa) | 4,837.52 mi (7,785.23 km) |
| Alessandria to Sioux Falls (South Dakota) | 4,800.66 mi (7,725.92 km) |
| Alessandria to Skokie (Illinois) | 4,526.21 mi (7,284.23 km) |
| Alessandria to Sleepy Hollow (New York) | 3,988.99 mi (6,419.66 km) |
| Alessandria to Slidell (Louisiana) | 5,149.27 mi (8,286.95 km) |
| Alessandria to Smithfield (North Carolina) | 4,411.88 mi (7,100.23 km) |
| Alessandria to Smithfield (Utah) | 5,406.67 mi (8,701.19 km) |
| Alessandria to Smithville (Missouri) | 4,915.52 mi (7,910.76 km) |
