| Pottstown to Zambrow | 4,358.16 mi (7,013.78 km) |
| Pottstown to Zamosc | 4,478.97 mi (7,208.21 km) |
| Pottstown to Zary | 4,144.80 mi (6,670.42 km) |
| Pottstown to Zawiercie | 4,345.08 mi (6,992.73 km) |
| Pottstown to Zdunska Wola | 4,289.22 mi (6,902.83 km) |
| Pottstown to Zdzieszowice | 4,299.18 mi (6,918.86 km) |
| Pottstown to Zgierz | 4,296.98 mi (6,915.32 km) |
| Pottstown to Zgorzelec | 4,155.88 mi (6,688.24 km) |
| Pottstown to Ziebice | 4,251.50 mi (6,842.12 km) |
| Pottstown to Zielona Gora | 4,148.81 mi (6,676.86 km) |
| Pottstown to Zielonka | 4,344.14 mi (6,991.22 km) |
| Pottstown to Zlocieniec | 4,115.99 mi (6,624.04 km) |
| Pottstown to Zlotoryja | 4,190.99 mi (6,744.75 km) |
| Pottstown to Zlotow | 4,158.74 mi (6,692.85 km) |
| Pottstown to Znin | 4,199.71 mi (6,758.77 km) |
