| Appenzell to Silver Firs (Washington) | 5,244.30 mi (8,439.89 km) |
| Appenzell to Silver Spring (Maryland) | 4,166.14 mi (6,704.75 km) |
| Appenzell to Silver Springs Shores (Florida) | 4,832.59 mi (7,777.31 km) |
| Appenzell to Silverdale (Washington) | 5,268.82 mi (8,479.34 km) |
| Appenzell to Silverton (Oregon) | 5,428.97 mi (8,737.09 km) |
| Appenzell to Simi Valley (California) | 5,949.38 mi (9,574.60 km) |
| Appenzell to Simpsonville (South Carolina) | 4,577.93 mi (7,367.47 km) |
| Appenzell to Sioux City (Iowa) | 4,757.92 mi (7,657.14 km) |
| Appenzell to Sioux Falls (South Dakota) | 4,718.48 mi (7,593.65 km) |
| Appenzell to Skokie (Illinois) | 4,460.30 mi (7,178.15 km) |
| Appenzell to Sleepy Hollow (New York) | 3,946.04 mi (6,350.54 km) |
| Appenzell to Slidell (Louisiana) | 5,106.06 mi (8,217.42 km) |
| Appenzell to Smithfield (North Carolina) | 4,376.63 mi (7,043.50 km) |
| Appenzell to Smithfield (Utah) | 5,305.62 mi (8,538.58 km) |
| Appenzell to Smithville (Missouri) | 4,845.00 mi (7,797.28 km) |
