| Sundsvall to Silver Firs (Washington) | 4,498.44 mi (7,239.54 km) |
| Sundsvall to Silver Spring (Maryland) | 4,004.65 mi (6,444.86 km) |
| Sundsvall to Silver Springs Shores (Florida) | 4,737.02 mi (7,623.50 km) |
| Sundsvall to Silverdale (Washington) | 4,519.47 mi (7,273.38 km) |
| Sundsvall to Silverton (Oregon) | 4,695.07 mi (7,555.99 km) |
| Sundsvall to Simi Valley (California) | 5,327.13 mi (8,573.19 km) |
| Sundsvall to Simpsonville (South Carolina) | 4,408.02 mi (7,094.02 km) |
| Sundsvall to Sioux City (Iowa) | 4,320.24 mi (6,952.75 km) |
| Sundsvall to Sioux Falls (South Dakota) | 4,265.20 mi (6,864.18 km) |
| Sundsvall to Skokie (Illinois) | 4,127.24 mi (6,642.15 km) |
| Sundsvall to Sleepy Hollow (New York) | 3,792.04 mi (6,102.70 km) |
| Sundsvall to Slidell (Louisiana) | 4,889.84 mi (7,869.44 km) |
| Sundsvall to Smithfield (North Carolina) | 4,247.45 mi (6,835.62 km) |
| Sundsvall to Smithfield (Utah) | 4,704.42 mi (7,571.04 km) |
| Sundsvall to Smithville (Missouri) | 4,463.55 mi (7,183.39 km) |
