| Ecija to Silver Firs (Washington) | 5,382.10 mi (8,661.65 km) |
| Ecija to Silver Spring (Maryland) | 3,795.71 mi (6,108.60 km) |
| Ecija to Silver Springs Shores (Florida) | 4,357.02 mi (7,011.94 km) |
| Ecija to Silverdale (Washington) | 5,409.38 mi (8,705.55 km) |
| Ecija to Silverton (Oregon) | 5,541.36 mi (8,917.96 km) |
| Ecija to Simi Valley (California) | 5,901.53 mi (9,497.60 km) |
| Ecija to Simpsonville (South Carolina) | 4,183.20 mi (6,732.21 km) |
| Ecija to Sioux City (Iowa) | 4,597.00 mi (7,398.15 km) |
| Ecija to Sioux Falls (South Dakota) | 4,575.75 mi (7,363.95 km) |
| Ecija to Skokie (Illinois) | 4,221.91 mi (6,794.51 km) |
| Ecija to Sleepy Hollow (New York) | 3,587.82 mi (5,774.03 km) |
| Ecija to Slidell (Louisiana) | 4,715.77 mi (7,589.29 km) |
| Ecija to Smithfield (North Carolina) | 3,961.38 mi (6,375.22 km) |
| Ecija to Smithfield (Utah) | 5,274.69 mi (8,488.80 km) |
| Ecija to Smithville (Missouri) | 4,623.51 mi (7,440.82 km) |
