| Newcastle under Lyme to Silver Firs (Washington) | 4,628.26 mi (7,448.47 km) |
| Newcastle under Lyme to Silver Spring (Maryland) | 3,543.96 mi (5,703.46 km) |
| Newcastle under Lyme to Silver Springs Shores (Florida) | 4,228.23 mi (6,804.68 km) |
| Newcastle under Lyme to Silverdale (Washington) | 4,653.48 mi (7,489.06 km) |
| Newcastle under Lyme to Silverton (Oregon) | 4,808.88 mi (7,739.14 km) |
| Newcastle under Lyme to Simi Valley (California) | 5,309.01 mi (8,544.03 km) |
| Newcastle under Lyme to Simpsonville (South Carolina) | 3,957.07 mi (6,368.30 km) |
| Newcastle under Lyme to Sioux City (Iowa) | 4,111.75 mi (6,617.22 km) |
| Newcastle under Lyme to Sioux Falls (South Dakota) | 4,072.16 mi (6,553.51 km) |
| Newcastle under Lyme to Skokie (Illinois) | 3,818.32 mi (6,144.99 km) |
| Newcastle under Lyme to Sleepy Hollow (New York) | 3,323.54 mi (5,348.72 km) |
| Newcastle under Lyme to Slidell (Louisiana) | 4,480.57 mi (7,210.78 km) |
| Newcastle under Lyme to Smithfield (North Carolina) | 3,761.92 mi (6,054.22 km) |
| Newcastle under Lyme to Smithfield (Utah) | 4,665.06 mi (7,507.69 km) |
| Newcastle under Lyme to Smithville (Missouri) | 4,200.86 mi (6,760.63 km) |
