| Koksijde to Silver Firs (Washington) | 4,859.07 mi (7,819.91 km) |
| Koksijde to Silver Spring (Maryland) | 3,782.13 mi (6,086.76 km) |
| Koksijde to Silver Springs Shores (Florida) | 4,460.30 mi (7,178.16 km) |
| Koksijde to Silverdale (Washington) | 4,883.99 mi (7,860.02 km) |
| Koksijde to Silverton (Oregon) | 5,041.51 mi (8,113.53 km) |
| Koksijde to Simi Valley (California) | 5,550.95 mi (8,933.39 km) |
| Koksijde to Simpsonville (South Carolina) | 4,194.91 mi (6,751.05 km) |
| Koksijde to Sioux City (Iowa) | 4,357.36 mi (7,012.50 km) |
| Koksijde to Sioux Falls (South Dakota) | 4,317.67 mi (6,948.61 km) |
| Koksijde to Skokie (Illinois) | 4,063.11 mi (6,538.95 km) |
| Koksijde to Sleepy Hollow (New York) | 3,561.75 mi (5,732.08 km) |
| Koksijde to Slidell (Louisiana) | 4,720.14 mi (7,596.33 km) |
| Koksijde to Smithfield (North Carolina) | 3,997.50 mi (6,433.35 km) |
| Koksijde to Smithfield (Utah) | 4,907.05 mi (7,897.14 km) |
| Koksijde to Smithville (Missouri) | 4,446.22 mi (7,155.50 km) |
