| Melfi to Silver Firs (Washington) | 5,776.45 mi (9,296.29 km) |
| Melfi to Silver Spring (Maryland) | 4,651.43 mi (7,485.75 km) |
| Melfi to Silver Springs Shores (Florida) | 5,294.59 mi (8,520.82 km) |
| Melfi to Silverdale (Washington) | 5,800.75 mi (9,335.40 km) |
| Melfi to Silverton (Oregon) | 5,962.13 mi (9,595.13 km) |
| Melfi to Simi Valley (California) | 6,483.81 mi (10,434.69 km) |
| Melfi to Simpsonville (South Carolina) | 5,060.14 mi (8,143.51 km) |
| Melfi to Sioux City (Iowa) | 5,281.85 mi (8,500.32 km) |
| Melfi to Sioux Falls (South Dakota) | 5,244.17 mi (8,439.68 km) |
| Melfi to Skokie (Illinois) | 4,972.76 mi (8,002.89 km) |
| Melfi to Sleepy Hollow (New York) | 4,432.56 mi (7,133.52 km) |
| Melfi to Slidell (Louisiana) | 5,592.41 mi (9,000.12 km) |
| Melfi to Smithfield (North Carolina) | 4,852.39 mi (7,809.17 km) |
| Melfi to Smithfield (Utah) | 5,839.95 mi (9,398.49 km) |
| Melfi to Smithville (Missouri) | 5,361.72 mi (8,628.86 km) |
