| Oupeye to Silver Firs (Washington) | 4,955.83 mi (7,975.64 km) |
| Oupeye to Silver Spring (Maryland) | 3,913.34 mi (6,297.91 km) |
| Oupeye to Silver Springs Shores (Florida) | 4,592.98 mi (7,391.69 km) |
| Oupeye to Silverdale (Washington) | 4,980.42 mi (8,015.21 km) |
| Oupeye to Silverton (Oregon) | 5,140.19 mi (8,272.33 km) |
| Oupeye to Simi Valley (California) | 5,661.79 mi (9,111.78 km) |
| Oupeye to Simpsonville (South Carolina) | 4,326.25 mi (6,962.42 km) |
| Oupeye to Sioux City (Iowa) | 4,478.57 mi (7,207.57 km) |
| Oupeye to Sioux Falls (South Dakota) | 4,437.89 mi (7,142.09 km) |
| Oupeye to Skokie (Illinois) | 4,189.04 mi (6,741.61 km) |
| Oupeye to Sleepy Hollow (New York) | 3,692.93 mi (5,943.19 km) |
| Oupeye to Slidell (Louisiana) | 4,850.80 mi (7,806.60 km) |
| Oupeye to Smithfield (North Carolina) | 4,129.50 mi (6,645.78 km) |
| Oupeye to Smithfield (Utah) | 5,018.18 mi (8,075.98 km) |
| Oupeye to Smithville (Missouri) | 4,570.55 mi (7,355.58 km) |
