| Ecaussinnes-Lalaing to Silver Firs (Washington) | 4,927.80 mi (7,930.53 km) |
| Ecaussinnes-Lalaing to Silver Spring (Maryland) | 3,857.84 mi (6,208.59 km) |
| Ecaussinnes-Lalaing to Silver Springs Shores (Florida) | 4,534.84 mi (7,298.11 km) |
| Ecaussinnes-Lalaing to Silverdale (Washington) | 4,952.60 mi (7,970.44 km) |
| Ecaussinnes-Lalaing to Silverton (Oregon) | 5,110.95 mi (8,225.27 km) |
| Ecaussinnes-Lalaing to Simi Valley (California) | 5,624.36 mi (9,051.53 km) |
| Ecaussinnes-Lalaing to Simpsonville (South Carolina) | 4,270.54 mi (6,872.78 km) |
| Ecaussinnes-Lalaing to Sioux City (Iowa) | 4,433.18 mi (7,134.52 km) |
| Ecaussinnes-Lalaing to Sioux Falls (South Dakota) | 4,393.31 mi (7,070.35 km) |
| Ecaussinnes-Lalaing to Skokie (Illinois) | 4,139.47 mi (6,661.83 km) |
| Ecaussinnes-Lalaing to Sleepy Hollow (New York) | 3,637.47 mi (5,853.94 km) |
| Ecaussinnes-Lalaing to Slidell (Louisiana) | 4,796.05 mi (7,718.49 km) |
| Ecaussinnes-Lalaing to Smithfield (North Carolina) | 4,072.74 mi (6,554.45 km) |
| Ecaussinnes-Lalaing to Smithfield (Utah) | 4,980.52 mi (8,015.37 km) |
| Ecaussinnes-Lalaing to Smithville (Missouri) | 4,522.46 mi (7,278.20 km) |
