| Roura to Silver Firs (Washington) | 5,046.16 mi (8,121.01 km) |
| Roura to Silver Spring (Maryland) | 2,827.69 mi (4,550.72 km) |
| Roura to Silver Springs Shores (Florida) | 2,570.19 mi (4,136.33 km) |
| Roura to Silverdale (Washington) | 5,067.61 mi (8,155.53 km) |
| Roura to Silverton (Oregon) | 5,036.64 mi (8,105.70 km) |
| Roura to Simi Valley (California) | 4,692.77 mi (7,552.28 km) |
| Roura to Simpsonville (South Carolina) | 2,820.03 mi (4,538.41 km) |
| Roura to Sioux City (Iowa) | 3,750.74 mi (6,036.24 km) |
| Roura to Sioux Falls (South Dakota) | 3,803.16 mi (6,120.59 km) |
| Roura to Skokie (Illinois) | 3,372.78 mi (5,427.97 km) |
| Roura to Sleepy Hollow (New York) | 2,844.29 mi (4,577.44 km) |
| Roura to Slidell (Louisiana) | 3,009.18 mi (4,842.81 km) |
| Roura to Smithfield (North Carolina) | 2,696.26 mi (4,339.20 km) |
| Roura to Smithfield (Utah) | 4,450.41 mi (7,162.25 km) |
| Roura to Smithville (Missouri) | 3,558.44 mi (5,726.75 km) |
