| Herndon to Sentrupert | 4,463.67 mi (7,183.58 km) |
| Herndon to Sevnica | 4,471.37 mi (7,195.98 km) |
| Herndon to Sezana | 4,422.64 mi (7,117.55 km) |
| Herndon to Skocjan | 4,474.47 mi (7,200.97 km) |
| Herndon to Skofja Loka | 4,424.50 mi (7,120.54 km) |
| Herndon to Skofljica | 4,442.20 mi (7,149.03 km) |
| Herndon to Slovenj Gradec | 4,444.52 mi (7,152.76 km) |
| Herndon to Slovenska Bistrica | 4,469.02 mi (7,192.19 km) |
| Herndon to Slovenske Konjice | 4,464.64 mi (7,185.14 km) |
| Herndon to Smarje | 4,472.43 mi (7,197.68 km) |
| Herndon to Smarjeske Toplice | 4,473.16 mi (7,198.86 km) |
| Herndon to Smartno | 4,451.27 mi (7,163.62 km) |
| Herndon to Smartno | 4,448.90 mi (7,159.81 km) |
| Herndon to Sodrazica | 4,452.48 mi (7,165.57 km) |
| Herndon to Solcava | 4,431.73 mi (7,132.18 km) |
