| Bologna to Silver Firs (Washington) | 5,460.33 mi (8,787.56 km) |
| Bologna to Silver Spring (Maryland) | 4,339.91 mi (6,984.41 km) |
| Bologna to Silver Springs Shores (Florida) | 4,993.61 mi (8,036.45 km) |
| Bologna to Silverdale (Washington) | 5,484.92 mi (8,827.13 km) |
| Bologna to Silverton (Oregon) | 5,644.58 mi (9,084.07 km) |
| Bologna to Simi Valley (California) | 6,159.24 mi (9,912.34 km) |
| Bologna to Simpsonville (South Carolina) | 4,750.11 mi (7,644.57 km) |
| Bologna to Sioux City (Iowa) | 4,957.11 mi (7,977.70 km) |
| Bologna to Sioux Falls (South Dakota) | 4,919.09 mi (7,916.51 km) |
| Bologna to Skokie (Illinois) | 4,651.12 mi (7,485.25 km) |
| Bologna to Sleepy Hollow (New York) | 4,120.43 mi (6,631.19 km) |
| Bologna to Slidell (Louisiana) | 5,280.87 mi (8,498.74 km) |
| Bologna to Smithfield (North Carolina) | 4,545.02 mi (7,314.51 km) |
| Bologna to Smithfield (Utah) | 5,515.32 mi (8,876.06 km) |
| Bologna to Smithville (Missouri) | 5,038.83 mi (8,109.21 km) |
