| Slovenj Gradec to Silver Firs (Washington) | 5,425.17 mi (8,730.96 km) |
| Slovenj Gradec to Silver Spring (Maryland) | 4,428.03 mi (7,126.23 km) |
| Slovenj Gradec to Silver Springs Shores (Florida) | 5,100.24 mi (8,208.04 km) |
| Slovenj Gradec to Silverdale (Washington) | 5,448.90 mi (8,769.16 km) |
| Slovenj Gradec to Silverton (Oregon) | 5,613.59 mi (9,034.20 km) |
| Slovenj Gradec to Simi Valley (California) | 6,160.60 mi (9,914.52 km) |
| Slovenj Gradec to Simpsonville (South Carolina) | 4,840.50 mi (7,790.03 km) |
| Slovenj Gradec to Sioux City (Iowa) | 4,994.07 mi (8,037.18 km) |
| Slovenj Gradec to Sioux Falls (South Dakota) | 4,952.30 mi (7,969.96 km) |
| Slovenj Gradec to Skokie (Illinois) | 4,707.90 mi (7,576.63 km) |
| Slovenj Gradec to Sleepy Hollow (New York) | 4,207.72 mi (6,771.68 km) |
| Slovenj Gradec to Slidell (Louisiana) | 5,366.75 mi (8,636.95 km) |
| Slovenj Gradec to Smithfield (North Carolina) | 4,641.31 mi (7,469.47 km) |
| Slovenj Gradec to Smithfield (Utah) | 5,518.15 mi (8,880.61 km) |
| Slovenj Gradec to Smithville (Missouri) | 5,088.67 mi (8,189.42 km) |
