| Hackettstown to Zambrow | 4,298.41 mi (6,917.62 km) |
| Hackettstown to Zamosc | 4,419.13 mi (7,111.91 km) |
| Hackettstown to Zary | 4,084.93 mi (6,574.06 km) |
| Hackettstown to Zawiercie | 4,285.21 mi (6,896.37 km) |
| Hackettstown to Zdunska Wola | 4,229.36 mi (6,806.50 km) |
| Hackettstown to Zdzieszowice | 4,239.31 mi (6,822.51 km) |
| Hackettstown to Zgierz | 4,237.13 mi (6,819.00 km) |
| Hackettstown to Zgorzelec | 4,096.01 mi (6,591.89 km) |
| Hackettstown to Ziebice | 4,191.63 mi (6,745.77 km) |
| Hackettstown to Zielona Gora | 4,088.93 mi (6,580.50 km) |
| Hackettstown to Zielonka | 4,284.33 mi (6,894.97 km) |
| Hackettstown to Zlocieniec | 4,056.16 mi (6,527.75 km) |
| Hackettstown to Zlotoryja | 4,131.12 mi (6,648.40 km) |
| Hackettstown to Zlotow | 4,098.92 mi (6,596.57 km) |
| Hackettstown to Znin | 4,139.87 mi (6,662.47 km) |
