| Heswall to Silver Firs (Washington) | 4,588.41 mi (7,384.33 km) |
| Heswall to Silver Spring (Maryland) | 3,503.31 mi (5,638.03 km) |
| Heswall to Silver Springs Shores (Florida) | 4,188.71 mi (6,741.07 km) |
| Heswall to Silverdale (Washington) | 4,613.68 mi (7,425.00 km) |
| Heswall to Silverton (Oregon) | 4,768.71 mi (7,674.49 km) |
| Heswall to Simi Valley (California) | 5,267.32 mi (8,476.93 km) |
| Heswall to Simpsonville (South Carolina) | 3,916.47 mi (6,302.95 km) |
| Heswall to Sioux City (Iowa) | 4,069.54 mi (6,549.28 km) |
| Heswall to Sioux Falls (South Dakota) | 4,029.95 mi (6,485.58 km) |
| Heswall to Skokie (Illinois) | 3,776.33 mi (6,077.42 km) |
| Heswall to Sleepy Hollow (New York) | 3,282.89 mi (5,283.29 km) |
| Heswall to Slidell (Louisiana) | 4,439.62 mi (7,144.87 km) |
| Heswall to Smithfield (North Carolina) | 3,721.75 mi (5,989.58 km) |
| Heswall to Smithfield (Utah) | 4,623.37 mi (7,440.59 km) |
| Heswall to Smithville (Missouri) | 4,158.74 mi (6,692.84 km) |
