| Allentown to Zambrow | 4,334.50 mi (6,975.70 km) |
| Allentown to Zamosc | 4,455.61 mi (7,170.61 km) |
| Allentown to Zary | 4,121.82 mi (6,633.42 km) |
| Allentown to Zawiercie | 4,322.01 mi (6,955.61 km) |
| Allentown to Zdunska Wola | 4,265.99 mi (6,865.45 km) |
| Allentown to Zdzieszowice | 4,276.22 mi (6,881.92 km) |
| Allentown to Zgierz | 4,273.68 mi (6,877.82 km) |
| Allentown to Zgorzelec | 4,133.00 mi (6,651.42 km) |
| Allentown to Ziebice | 4,228.58 mi (6,805.25 km) |
| Allentown to Zielona Gora | 4,125.74 mi (6,639.74 km) |
| Allentown to Zielonka | 4,320.65 mi (6,953.42 km) |
| Allentown to Zlocieniec | 4,092.59 mi (6,586.39 km) |
| Allentown to Zlotoryja | 4,168.05 mi (6,707.83 km) |
| Allentown to Zlotow | 4,135.32 mi (6,655.15 km) |
| Allentown to Znin | 4,176.34 mi (6,721.16 km) |
