| Koropi to Silver Firs (Washington) | 6,153.02 mi (9,902.32 km) |
| Koropi to Silver Spring (Maryland) | 5,133.17 mi (8,261.03 km) |
| Koropi to Silver Springs Shores (Florida) | 5,781.51 mi (9,304.43 km) |
| Koropi to Silverdale (Washington) | 6,176.11 mi (9,939.49 km) |
| Koropi to Silverton (Oregon) | 6,343.89 mi (10,209.50 km) |
| Koropi to Simi Valley (California) | 6,904.08 mi (11,111.05 km) |
| Koropi to Simpsonville (South Carolina) | 5,543.00 mi (8,920.60 km) |
| Koropi to Sioux City (Iowa) | 5,735.21 mi (9,229.92 km) |
| Koropi to Sioux Falls (South Dakota) | 5,694.55 mi (9,164.49 km) |
| Koropi to Skokie (Illinois) | 5,439.65 mi (8,754.27 km) |
| Koropi to Sleepy Hollow (New York) | 4,913.79 mi (7,907.98 km) |
| Koropi to Slidell (Louisiana) | 6,074.18 mi (9,775.45 km) |
| Koropi to Smithfield (North Carolina) | 5,336.84 mi (8,588.81 km) |
| Koropi to Smithfield (Utah) | 6,262.15 mi (10,077.95 km) |
| Koropi to Smithville (Missouri) | 5,824.47 mi (9,373.58 km) |
