| Hackettstown to Sentrupert | 4,276.31 mi (6,882.06 km) |
| Hackettstown to Sevnica | 4,283.98 mi (6,894.40 km) |
| Hackettstown to Sezana | 4,235.51 mi (6,816.39 km) |
| Hackettstown to Skocjan | 4,287.11 mi (6,899.44 km) |
| Hackettstown to Skofja Loka | 4,237.18 mi (6,819.08 km) |
| Hackettstown to Skofljica | 4,254.90 mi (6,847.60 km) |
| Hackettstown to Slovenj Gradec | 4,257.02 mi (6,851.02 km) |
| Hackettstown to Slovenska Bistrica | 4,281.50 mi (6,890.41 km) |
| Hackettstown to Slovenske Konjice | 4,277.15 mi (6,883.41 km) |
| Hackettstown to Smarje | 4,284.96 mi (6,895.98 km) |
| Hackettstown to Smarjeske Toplice | 4,285.82 mi (6,897.36 km) |
| Hackettstown to Smartno | 4,263.92 mi (6,862.11 km) |
| Hackettstown to Smartno | 4,261.46 mi (6,858.15 km) |
| Hackettstown to Sodrazica | 4,265.23 mi (6,864.23 km) |
| Hackettstown to Solcava | 4,244.30 mi (6,830.54 km) |
