| Littleport to Silver Firs (Washington) | 4,724.02 mi (7,602.57 km) |
| Littleport to Silver Spring (Maryland) | 3,656.48 mi (5,884.54 km) |
| Littleport to Silver Springs Shores (Florida) | 4,339.87 mi (6,984.34 km) |
| Littleport to Silverdale (Washington) | 4,749.02 mi (7,642.82 km) |
| Littleport to Silverton (Oregon) | 4,905.96 mi (7,895.37 km) |
| Littleport to Simi Valley (California) | 5,413.70 mi (8,712.51 km) |
| Littleport to Simpsonville (South Carolina) | 4,069.56 mi (6,549.33 km) |
| Littleport to Sioux City (Iowa) | 4,221.74 mi (6,794.24 km) |
| Littleport to Sioux Falls (South Dakota) | 4,181.69 mi (6,729.78 km) |
| Littleport to Skokie (Illinois) | 3,930.18 mi (6,325.01 km) |
| Littleport to Sleepy Hollow (New York) | 3,436.05 mi (5,529.79 km) |
| Littleport to Slidell (Louisiana) | 4,593.19 mi (7,392.03 km) |
| Littleport to Smithfield (North Carolina) | 3,874.13 mi (6,234.80 km) |
| Littleport to Smithfield (Utah) | 4,769.80 mi (7,676.26 km) |
| Littleport to Smithville (Missouri) | 4,312.16 mi (6,939.74 km) |
