| Tortosa to Silver Firs (Washington) | 5,378.54 mi (8,655.92 km) |
| Tortosa to Silver Spring (Maryland) | 3,968.53 mi (6,386.74 km) |
| Tortosa to Silver Springs Shores (Florida) | 4,572.51 mi (7,358.74 km) |
| Tortosa to Silverdale (Washington) | 5,404.98 mi (8,698.47 km) |
| Tortosa to Silverton (Oregon) | 5,548.73 mi (8,929.81 km) |
| Tortosa to Simi Valley (California) | 5,972.09 mi (9,611.15 km) |
| Tortosa to Simpsonville (South Carolina) | 4,368.20 mi (7,029.93 km) |
| Tortosa to Sioux City (Iowa) | 4,699.35 mi (7,562.87 km) |
| Tortosa to Sioux Falls (South Dakota) | 4,671.15 mi (7,517.49 km) |
| Tortosa to Skokie (Illinois) | 4,349.74 mi (7,000.23 km) |
| Tortosa to Sleepy Hollow (New York) | 3,754.16 mi (6,041.74 km) |
| Tortosa to Slidell (Louisiana) | 4,903.09 mi (7,890.75 km) |
| Tortosa to Smithfield (North Carolina) | 4,152.09 mi (6,682.15 km) |
| Tortosa to Smithfield (Utah) | 5,334.11 mi (8,584.43 km) |
| Tortosa to Smithville (Missouri) | 4,748.51 mi (7,641.99 km) |
