| Igdir to Silver Firs (Washington) | 6,312.61 mi (10,159.17 km) |
| Igdir to Silver Spring (Maryland) | 5,836.43 mi (9,392.83 km) |
| Igdir to Silver Springs Shores (Florida) | 6,544.11 mi (10,531.72 km) |
| Igdir to Silverdale (Washington) | 6,330.46 mi (10,187.89 km) |
| Igdir to Silverton (Oregon) | 6,512.44 mi (10,480.75 km) |
| Igdir to Simi Valley (California) | 7,194.72 mi (11,578.78 km) |
| Igdir to Simpsonville (South Carolina) | 6,248.39 mi (10,055.81 km) |
| Igdir to Sioux City (Iowa) | 6,227.96 mi (10,022.93 km) |
| Igdir to Sioux Falls (South Dakota) | 6,173.35 mi (9,935.04 km) |
| Igdir to Skokie (Illinois) | 6,019.80 mi (9,687.93 km) |
| Igdir to Sleepy Hollow (New York) | 5,617.54 mi (9,040.56 km) |
| Igdir to Slidell (Louisiana) | 6,754.20 mi (10,869.83 km) |
| Igdir to Smithfield (North Carolina) | 6,066.62 mi (9,763.28 km) |
| Igdir to Smithfield (Utah) | 6,588.95 mi (10,603.90 km) |
| Igdir to Smithville (Missouri) | 6,366.76 mi (10,246.32 km) |
