| Porto Recanati to Silver Firs (Washington) | 5,580.47 mi (8,980.89 km) |
| Porto Recanati to Silver Spring (Maryland) | 4,476.58 mi (7,204.37 km) |
| Porto Recanati to Silver Springs Shores (Florida) | 5,129.12 mi (8,254.52 km) |
| Porto Recanati to Silverdale (Washington) | 5,604.81 mi (9,020.08 km) |
| Porto Recanati to Silverton (Oregon) | 5,765.96 mi (9,279.41 km) |
| Porto Recanati to Simi Valley (California) | 6,288.46 mi (10,120.29 km) |
| Porto Recanati to Simpsonville (South Carolina) | 4,886.69 mi (7,864.36 km) |
| Porto Recanati to Sioux City (Iowa) | 5,091.55 mi (8,194.06 km) |
| Porto Recanati to Sioux Falls (South Dakota) | 5,053.09 mi (8,132.17 km) |
| Porto Recanati to Skokie (Illinois) | 4,787.24 mi (7,704.32 km) |
| Porto Recanati to Sleepy Hollow (New York) | 4,257.13 mi (6,851.20 km) |
| Porto Recanati to Slidell (Louisiana) | 5,417.56 mi (8,718.72 km) |
| Porto Recanati to Smithfield (North Carolina) | 4,681.34 mi (7,533.89 km) |
| Porto Recanati to Smithfield (Utah) | 5,644.66 mi (9,084.20 km) |
| Porto Recanati to Smithville (Missouri) | 5,174.51 mi (8,327.57 km) |
