| Hackettstown to Sucha Beskidzka | 4,319.17 mi (6,951.03 km) |
| Hackettstown to Suchanino | 4,121.75 mi (6,633.32 km) |
| Hackettstown to Sulechow | 4,088.40 mi (6,579.64 km) |
| Hackettstown to Sulecin | 4,057.81 mi (6,530.41 km) |
| Hackettstown to Sulejowek | 4,290.75 mi (6,905.30 km) |
| Hackettstown to Suwalki | 4,281.30 mi (6,890.09 km) |
| Hackettstown to Swarzedz | 4,131.66 mi (6,649.26 km) |
| Hackettstown to Swidnica | 4,162.18 mi (6,698.38 km) |
| Hackettstown to Swidnik | 4,380.07 mi (7,049.04 km) |
| Hackettstown to Swidwin | 4,039.04 mi (6,500.21 km) |
| Hackettstown to Swiebodzice | 4,155.91 mi (6,688.29 km) |
| Hackettstown to Swiecie | 4,147.26 mi (6,674.37 km) |
| Hackettstown to Swiedbodzin | 4,079.84 mi (6,565.87 km) |
| Hackettstown to Swietochlowice | 4,273.87 mi (6,878.13 km) |
| Hackettstown to Swinoujscie | 3,979.75 mi (6,404.79 km) |
