| Williamsport to Zambrow | 4,355.96 mi (7,010.24 km) |
| Williamsport to Zamosc | 4,479.77 mi (7,209.49 km) |
| Williamsport to Zary | 4,149.33 mi (6,677.70 km) |
| Williamsport to Zawiercie | 4,348.82 mi (6,998.75 km) |
| Williamsport to Zdunska Wola | 4,291.42 mi (6,906.37 km) |
| Williamsport to Zdzieszowice | 4,303.91 mi (6,926.47 km) |
| Williamsport to Zgierz | 4,298.47 mi (6,917.72 km) |
| Williamsport to Zgorzelec | 4,161.33 mi (6,697.01 km) |
| Williamsport to Ziebice | 4,256.63 mi (6,850.38 km) |
| Williamsport to Zielona Gora | 4,152.58 mi (6,682.93 km) |
| Williamsport to Zielonka | 4,343.77 mi (6,990.62 km) |
| Williamsport to Zlocieniec | 4,116.65 mi (6,625.10 km) |
| Williamsport to Zlotoryja | 4,195.91 mi (6,752.66 km) |
| Williamsport to Zlotow | 4,159.10 mi (6,693.42 km) |
| Williamsport to Znin | 4,200.56 mi (6,760.14 km) |
