| Hackettstown to Santa Ursula | 3,361.81 mi (5,410.31 km) |
| Hackettstown to Santander | 3,527.86 mi (5,677.53 km) |
| Hackettstown to Santany | 3,974.96 mi (6,397.08 km) |
| Hackettstown to Santiago de Compostela | 3,322.21 mi (5,346.58 km) |
| Hackettstown to Santiago del Teide | 3,349.60 mi (5,390.65 km) |
| Hackettstown to Santiponce | 3,596.24 mi (5,787.59 km) |
| Hackettstown to Santomera | 3,819.01 mi (6,146.11 km) |
| Hackettstown to Santona | 3,544.46 mi (5,704.25 km) |
| Hackettstown to Santurce-Antiguo | 3,567.14 mi (5,740.76 km) |
| Hackettstown to Sarria | 3,377.70 mi (5,435.89 km) |
| Hackettstown to Sauzal | 3,362.78 mi (5,411.88 km) |
| Hackettstown to Sedavi | 3,807.00 mi (6,126.78 km) |
| Hackettstown to Segorbe | 3,788.64 mi (6,097.23 km) |
| Hackettstown to Segovia | 3,583.83 mi (5,767.62 km) |
| Hackettstown to Senmanat | 3,856.00 mi (6,205.63 km) |
