| Irmo to Zambrow | 4,879.71 mi (7,853.13 km) |
| Irmo to Zamosc | 4,999.09 mi (8,045.25 km) |
| Irmo to Zary | 4,662.72 mi (7,503.92 km) |
| Irmo to Zawiercie | 4,863.44 mi (7,826.95 km) |
| Irmo to Zdunska Wola | 4,808.60 mi (7,738.70 km) |
| Irmo to Zdzieszowice | 4,816.87 mi (7,752.00 km) |
| Irmo to Zgierz | 4,816.77 mi (7,751.85 km) |
| Irmo to Zgorzelec | 4,673.11 mi (7,520.65 km) |
| Irmo to Ziebice | 4,768.92 mi (7,674.83 km) |
| Irmo to Zielona Gora | 4,667.24 mi (7,511.20 km) |
| Irmo to Zielonka | 4,864.90 mi (7,829.30 km) |
| Irmo to Zlocieniec | 4,636.30 mi (7,461.40 km) |
| Irmo to Zlotoryja | 4,708.60 mi (7,577.76 km) |
| Irmo to Zlotow | 4,679.19 mi (7,530.43 km) |
| Irmo to Znin | 4,719.89 mi (7,595.92 km) |
