| Johnstown to Silver Firs (Washington) | 2,177.14 mi (3,503.77 km) |
| Johnstown to Silver Spring (Maryland) | 136.22 mi (219.22 km) |
| Johnstown to Silver Springs Shores (Florida) | 794.31 mi (1,278.32 km) |
| Johnstown to Silverdale (Washington) | 2,202.53 mi (3,544.63 km) |
| Johnstown to Silverton (Oregon) | 2,224.13 mi (3,579.39 km) |
| Johnstown to Simi Valley (California) | 2,209.77 mi (3,556.28 km) |
| Johnstown to Simpsonville (South Carolina) | 427.71 mi (688.33 km) |
| Johnstown to Sioux City (Iowa) | 915.94 mi (1,474.07 km) |
| Johnstown to Sioux Falls (South Dakota) | 940.06 mi (1,512.89 km) |
| Johnstown to Skokie (Illinois) | 473.42 mi (761.89 km) |
| Johnstown to Sleepy Hollow (New York) | 269.57 mi (433.83 km) |
| Johnstown to Slidell (Louisiana) | 923.78 mi (1,486.67 km) |
| Johnstown to Smithfield (North Carolina) | 333.97 mi (537.47 km) |
| Johnstown to Smithfield (Utah) | 1,706.54 mi (2,746.40 km) |
| Johnstown to Smithville (Missouri) | 831.74 mi (1,338.55 km) |
