| Kastav to Silver Firs (Washington) | 5,478.05 mi (8,816.08 km) |
| Kastav to Silver Spring (Maryland) | 4,437.34 mi (7,141.21 km) |
| Kastav to Silver Springs Shores (Florida) | 5,102.16 mi (8,211.14 km) |
| Kastav to Silverdale (Washington) | 5,502.05 mi (8,854.70 km) |
| Kastav to Silverton (Oregon) | 5,665.28 mi (9,117.39 km) |
| Kastav to Simi Valley (California) | 6,202.26 mi (9,981.58 km) |
| Kastav to Simpsonville (South Carolina) | 4,849.06 mi (7,803.80 km) |
| Kastav to Sioux City (Iowa) | 5,023.05 mi (8,083.82 km) |
| Kastav to Sioux Falls (South Dakota) | 4,982.61 mi (8,018.73 km) |
| Kastav to Skokie (Illinois) | 4,729.50 mi (7,611.40 km) |
| Kastav to Sleepy Hollow (New York) | 4,217.27 mi (6,787.04 km) |
| Kastav to Slidell (Louisiana) | 5,377.33 mi (8,653.97 km) |
| Kastav to Smithfield (North Carolina) | 4,647.38 mi (7,479.23 km) |
| Kastav to Smithfield (Utah) | 5,559.09 mi (8,946.50 km) |
| Kastav to Smithville (Missouri) | 5,113.01 mi (8,228.60 km) |
