| Conil de la Frontera to Silver Firs (Washington) | 5,417.36 mi (8,718.39 km) |
| Conil de la Frontera to Silver Spring (Maryland) | 3,783.90 mi (6,089.59 km) |
| Conil de la Frontera to Silver Springs Shores (Florida) | 4,330.45 mi (6,969.18 km) |
| Conil de la Frontera to Silverdale (Washington) | 5,444.81 mi (8,762.58 km) |
| Conil de la Frontera to Silverton (Oregon) | 5,573.53 mi (8,969.73 km) |
| Conil de la Frontera to Simi Valley (California) | 5,916.08 mi (9,521.02 km) |
| Conil de la Frontera to Simpsonville (South Carolina) | 4,166.79 mi (6,705.80 km) |
| Conil de la Frontera to Sioux City (Iowa) | 4,604.72 mi (7,410.58 km) |
| Conil de la Frontera to Sioux Falls (South Dakota) | 4,585.50 mi (7,379.64 km) |
| Conil de la Frontera to Skokie (Illinois) | 4,222.92 mi (6,796.13 km) |
| Conil de la Frontera to Sleepy Hollow (New York) | 3,578.49 mi (5,759.03 km) |
| Conil de la Frontera to Slidell (Louisiana) | 4,697.71 mi (7,560.24 km) |
| Conil de la Frontera to Smithfield (North Carolina) | 3,943.57 mi (6,346.56 km) |
| Conil de la Frontera to Smithfield (Utah) | 5,293.32 mi (8,518.77 km) |
| Conil de la Frontera to Smithville (Missouri) | 4,624.60 mi (7,442.58 km) |
