| Hackettstown to Saarijarvi | 4,050.91 mi (6,519.31 km) |
| Hackettstown to Salo | 4,067.49 mi (6,546.00 km) |
| Hackettstown to Sastamala | 4,029.48 mi (6,484.83 km) |
| Hackettstown to Savonlinna | 4,180.61 mi (6,728.04 km) |
| Hackettstown to Seinajoki | 3,980.78 mi (6,406.45 km) |
| Hackettstown to Siilinjarvi | 4,103.52 mi (6,603.97 km) |
| Hackettstown to Sipoo | 4,131.50 mi (6,649.01 km) |
| Hackettstown to Sippola | 4,168.87 mi (6,709.14 km) |
| Hackettstown to Sodankyla | 3,929.44 mi (6,323.83 km) |
| Hackettstown to Somero | 4,070.86 mi (6,551.42 km) |
| Hackettstown to Sotkamo | 4,085.02 mi (6,574.21 km) |
| Hackettstown to Tampere | 4,049.05 mi (6,516.32 km) |
| Hackettstown to Tornio | 3,919.58 mi (6,307.96 km) |
| Hackettstown to Turku | 4,039.68 mi (6,501.24 km) |
| Hackettstown to Tuusula | 4,122.97 mi (6,635.28 km) |
