| Peterborough to Silver Firs (Washington) | 4,704.12 mi (7,570.55 km) |
| Peterborough to Silver Spring (Maryland) | 3,632.50 mi (5,845.94 km) |
| Peterborough to Silver Springs Shores (Florida) | 4,315.99 mi (6,945.92 km) |
| Peterborough to Silverdale (Washington) | 4,729.18 mi (7,610.87 km) |
| Peterborough to Silverton (Oregon) | 4,885.77 mi (7,862.88 km) |
| Peterborough to Simi Valley (California) | 5,391.78 mi (8,677.23 km) |
| Peterborough to Simpsonville (South Carolina) | 4,045.58 mi (6,510.74 km) |
| Peterborough to Sioux City (Iowa) | 4,198.54 mi (6,756.90 km) |
| Peterborough to Sioux Falls (South Dakota) | 4,158.60 mi (6,692.63 km) |
| Peterborough to Skokie (Illinois) | 3,906.49 mi (6,286.89 km) |
| Peterborough to Sleepy Hollow (New York) | 3,412.07 mi (5,491.20 km) |
| Peterborough to Slidell (Louisiana) | 4,569.22 mi (7,353.44 km) |
| Peterborough to Smithfield (North Carolina) | 3,850.17 mi (6,196.26 km) |
| Peterborough to Smithfield (Utah) | 4,747.86 mi (7,640.94 km) |
| Peterborough to Smithville (Missouri) | 4,288.62 mi (6,901.87 km) |
