| Gubbio to Silver Firs (Washington) | 5,559.07 mi (8,946.46 km) |
| Gubbio to Silver Spring (Maryland) | 4,431.99 mi (7,132.60 km) |
| Gubbio to Silver Springs Shores (Florida) | 5,081.60 mi (8,178.04 km) |
| Gubbio to Silverdale (Washington) | 5,583.60 mi (8,985.94 km) |
| Gubbio to Silverton (Oregon) | 5,743.58 mi (9,243.39 km) |
| Gubbio to Simi Valley (California) | 6,259.00 mi (10,072.89 km) |
| Gubbio to Simpsonville (South Carolina) | 4,841.62 mi (7,791.83 km) |
| Gubbio to Sioux City (Iowa) | 5,055.49 mi (8,136.03 km) |
| Gubbio to Sioux Falls (South Dakota) | 5,017.74 mi (8,075.27 km) |
| Gubbio to Skokie (Illinois) | 4,747.71 mi (7,640.70 km) |
| Gubbio to Sleepy Hollow (New York) | 4,212.75 mi (6,779.76 km) |
| Gubbio to Slidell (Louisiana) | 5,373.03 mi (8,647.06 km) |
| Gubbio to Smithfield (North Carolina) | 4,635.44 mi (7,460.03 km) |
| Gubbio to Smithfield (Utah) | 5,615.08 mi (9,036.60 km) |
| Gubbio to Smithville (Missouri) | 5,136.08 mi (8,265.72 km) |
