| Locarno to Silver Firs (Washington) | 5,298.04 mi (8,526.37 km) |
| Locarno to Silver Spring (Maryland) | 4,176.54 mi (6,721.49 km) |
| Locarno to Silver Springs Shores (Florida) | 4,835.12 mi (7,781.37 km) |
| Locarno to Silverdale (Washington) | 5,322.79 mi (8,566.21 km) |
| Locarno to Silverton (Oregon) | 5,481.35 mi (8,821.38 km) |
| Locarno to Simi Valley (California) | 5,991.29 mi (9,642.04 km) |
| Locarno to Simpsonville (South Carolina) | 4,587.35 mi (7,382.62 km) |
| Locarno to Sioux City (Iowa) | 4,788.04 mi (7,705.61 km) |
| Locarno to Sioux Falls (South Dakota) | 4,749.96 mi (7,644.33 km) |
| Locarno to Skokie (Illinois) | 4,483.14 mi (7,214.91 km) |
| Locarno to Sleepy Hollow (New York) | 3,956.82 mi (6,367.89 km) |
| Locarno to Slidell (Louisiana) | 5,117.28 mi (8,235.47 km) |
| Locarno to Smithfield (North Carolina) | 4,383.59 mi (7,054.70 km) |
| Locarno to Smithfield (Utah) | 5,347.34 mi (8,605.72 km) |
| Locarno to Smithville (Missouri) | 4,870.35 mi (7,838.07 km) |
