| San Benedetto del Tronto to Silver Firs (Washington) | 5,615.03 mi (9,036.52 km) |
| San Benedetto del Tronto to Silver Spring (Maryland) | 4,503.17 mi (7,247.15 km) |
| San Benedetto del Tronto to Silver Springs Shores (Florida) | 5,153.41 mi (8,293.62 km) |
| San Benedetto del Tronto to Silverdale (Washington) | 5,639.40 mi (9,075.74 km) |
| San Benedetto del Tronto to Silverton (Oregon) | 5,800.40 mi (9,334.85 km) |
| San Benedetto del Tronto to Simi Valley (California) | 6,321.59 mi (10,173.61 km) |
| San Benedetto del Tronto to Simpsonville (South Carolina) | 4,912.94 mi (7,906.61 km) |
| San Benedetto del Tronto to Sioux City (Iowa) | 5,122.60 mi (8,244.02 km) |
| San Benedetto del Tronto to Sioux Falls (South Dakota) | 5,084.40 mi (8,182.56 km) |
| San Benedetto del Tronto to Skokie (Illinois) | 4,816.77 mi (7,751.84 km) |
| San Benedetto del Tronto to Sleepy Hollow (New York) | 4,283.86 mi (6,894.20 km) |
| San Benedetto del Tronto to Slidell (Louisiana) | 5,444.20 mi (8,761.59 km) |
| San Benedetto del Tronto to Smithfield (North Carolina) | 4,706.97 mi (7,575.14 km) |
| San Benedetto del Tronto to Smithfield (Utah) | 5,677.75 mi (9,137.45 km) |
| San Benedetto del Tronto to Smithville (Missouri) | 5,204.56 mi (8,375.93 km) |
