| Udine to Silver Firs (Washington) | 5,410.42 mi (8,707.23 km) |
| Udine to Silver Spring (Maryland) | 4,366.86 mi (7,027.78 km) |
| Udine to Silver Springs Shores (Florida) | 5,033.23 mi (8,100.21 km) |
| Udine to Silverdale (Washington) | 5,434.51 mi (8,746.00 km) |
| Udine to Silverton (Oregon) | 5,597.21 mi (9,007.84 km) |
| Udine to Simi Valley (California) | 6,131.58 mi (9,867.83 km) |
| Udine to Simpsonville (South Carolina) | 4,778.72 mi (7,690.61 km) |
| Udine to Sioux City (Iowa) | 4,951.11 mi (7,968.04 km) |
| Udine to Sioux Falls (South Dakota) | 4,910.71 mi (7,903.03 km) |
| Udine to Skokie (Illinois) | 4,657.65 mi (7,495.76 km) |
| Udine to Sleepy Hollow (New York) | 4,146.74 mi (6,673.53 km) |
| Udine to Slidell (Louisiana) | 5,306.66 mi (8,540.25 km) |
| Udine to Smithfield (North Carolina) | 4,577.51 mi (7,366.79 km) |
| Udine to Smithfield (Utah) | 5,488.31 mi (8,832.58 km) |
| Udine to Smithville (Missouri) | 5,041.06 mi (8,112.80 km) |
