| Keene to Silver Firs (Washington) | 2,399.28 mi (3,861.27 km) |
| Keene to Silver Spring (Maryland) | 367.30 mi (591.11 km) |
| Keene to Silver Springs Shores (Florida) | 1,097.59 mi (1,766.40 km) |
| Keene to Silverdale (Washington) | 2,426.21 mi (3,904.60 km) |
| Keene to Silverton (Oregon) | 2,472.99 mi (3,979.90 km) |
| Keene to Simi Valley (California) | 2,544.76 mi (4,095.39 km) |
| Keene to Simpsonville (South Carolina) | 779.77 mi (1,254.91 km) |
| Keene to Sioux City (Iowa) | 1,219.01 mi (1,961.81 km) |
| Keene to Sioux Falls (South Dakota) | 1,225.88 mi (1,972.86 km) |
| Keene to Skokie (Illinois) | 788.04 mi (1,268.23 km) |
| Keene to Sleepy Hollow (New York) | 151.50 mi (243.82 km) |
| Keene to Slidell (Louisiana) | 1,300.92 mi (2,093.64 km) |
| Keene to Smithfield (North Carolina) | 606.90 mi (976.71 km) |
| Keene to Smithfield (Utah) | 1,999.76 mi (3,218.30 km) |
| Keene to Smithville (Missouri) | 1,180.59 mi (1,899.98 km) |
