| Denain to Silver Firs (Washington) | 4,921.38 mi (7,920.20 km) |
| Denain to Silver Spring (Maryland) | 3,831.69 mi (6,166.51 km) |
| Denain to Silver Springs Shores (Florida) | 4,506.32 mi (7,252.22 km) |
| Denain to Silverdale (Washington) | 4,946.32 mi (7,960.33 km) |
| Denain to Silverton (Oregon) | 5,103.72 mi (8,213.64 km) |
| Denain to Simi Valley (California) | 5,611.58 mi (9,030.97 km) |
| Denain to Simpsonville (South Carolina) | 4,244.19 mi (6,830.36 km) |
| Denain to Sioux City (Iowa) | 4,414.89 mi (7,105.09 km) |
| Denain to Sioux Falls (South Dakota) | 4,375.62 mi (7,041.88 km) |
| Denain to Skokie (Illinois) | 4,118.07 mi (6,627.40 km) |
| Denain to Sleepy Hollow (New York) | 3,611.37 mi (5,811.95 km) |
| Denain to Slidell (Louisiana) | 4,770.46 mi (7,677.31 km) |
| Denain to Smithfield (North Carolina) | 4,045.50 mi (6,510.60 km) |
| Denain to Smithfield (Utah) | 4,967.66 mi (7,994.67 km) |
| Denain to Smithville (Missouri) | 4,502.16 mi (7,245.53 km) |
