| Alexandroupoli to Silver Firs (Washington) | 6,002.20 mi (9,659.61 km) |
| Alexandroupoli to Silver Spring (Maryland) | 5,092.68 mi (8,195.88 km) |
| Alexandroupoli to Silver Springs Shores (Florida) | 5,760.90 mi (9,271.26 km) |
| Alexandroupoli to Silverdale (Washington) | 6,024.56 mi (9,695.59 km) |
| Alexandroupoli to Silverton (Oregon) | 6,195.51 mi (9,970.71 km) |
| Alexandroupoli to Simi Valley (California) | 6,780.00 mi (10,911.35 km) |
| Alexandroupoli to Simpsonville (South Carolina) | 5,504.97 mi (8,859.39 km) |
| Alexandroupoli to Sioux City (Iowa) | 5,645.60 mi (9,085.72 km) |
| Alexandroupoli to Sioux Falls (South Dakota) | 5,601.66 mi (9,015.01 km) |
| Alexandroupoli to Skokie (Illinois) | 5,368.72 mi (8,640.12 km) |
| Alexandroupoli to Sleepy Hollow (New York) | 4,872.41 mi (7,841.39 km) |
| Alexandroupoli to Slidell (Louisiana) | 6,031.65 mi (9,707.00 km) |
| Alexandroupoli to Smithfield (North Carolina) | 5,304.77 mi (8,537.21 km) |
| Alexandroupoli to Smithfield (Utah) | 6,141.35 mi (9,883.56 km) |
| Alexandroupoli to Smithville (Missouri) | 5,746.54 mi (9,248.16 km) |
