| Alfter to Silver Firs (Washington) | 4,987.27 mi (8,026.23 km) |
| Alfter to Silver Spring (Maryland) | 3,967.58 mi (6,385.20 km) |
| Alfter to Silver Springs Shores (Florida) | 4,649.13 mi (7,482.05 km) |
| Alfter to Silverdale (Washington) | 5,011.66 mi (8,065.49 km) |
| Alfter to Silverton (Oregon) | 5,172.64 mi (8,324.55 km) |
| Alfter to Simi Valley (California) | 5,701.21 mi (9,175.20 km) |
| Alfter to Simpsonville (South Carolina) | 4,380.62 mi (7,049.92 km) |
| Alfter to Sioux City (Iowa) | 4,524.78 mi (7,281.94 km) |
| Alfter to Sioux Falls (South Dakota) | 4,483.44 mi (7,215.40 km) |
| Alfter to Skokie (Illinois) | 4,238.66 mi (6,821.46 km) |
| Alfter to Sleepy Hollow (New York) | 3,747.15 mi (6,030.46 km) |
| Alfter to Slidell (Louisiana) | 4,904.41 mi (7,892.89 km) |
| Alfter to Smithfield (North Carolina) | 4,184.65 mi (6,734.55 km) |
| Alfter to Smithfield (Utah) | 5,057.87 mi (8,139.86 km) |
| Alfter to Smithville (Missouri) | 4,618.94 mi (7,433.46 km) |
