| Gifhorn to Silver Firs (Washington) | 4,965.64 mi (7,991.43 km) |
| Gifhorn to Silver Spring (Maryland) | 4,056.73 mi (6,528.67 km) |
| Gifhorn to Silver Springs Shores (Florida) | 4,751.36 mi (7,646.58 km) |
| Gifhorn to Silverdale (Washington) | 4,989.28 mi (8,029.47 km) |
| Gifhorn to Silverton (Oregon) | 5,154.58 mi (8,295.50 km) |
| Gifhorn to Simi Valley (California) | 5,710.61 mi (9,190.34 km) |
| Gifhorn to Simpsonville (South Carolina) | 4,470.06 mi (7,193.86 km) |
| Gifhorn to Sioux City (Iowa) | 4,567.39 mi (7,350.50 km) |
| Gifhorn to Sioux Falls (South Dakota) | 4,522.86 mi (7,278.84 km) |
| Gifhorn to Skokie (Illinois) | 4,299.49 mi (6,919.35 km) |
| Gifhorn to Sleepy Hollow (New York) | 3,836.55 mi (6,174.32 km) |
| Gifhorn to Slidell (Louisiana) | 4,988.12 mi (8,027.61 km) |
| Gifhorn to Smithfield (North Carolina) | 4,279.92 mi (6,887.87 km) |
| Gifhorn to Smithfield (Utah) | 5,069.51 mi (8,158.58 km) |
| Gifhorn to Smithville (Missouri) | 4,672.53 mi (7,519.71 km) |
