| Iowa City to Zambrow | 4,805.74 mi (7,734.08 km) |
| Iowa City to Zamosc | 4,944.95 mi (7,958.13 km) |
| Iowa City to Zary | 4,640.37 mi (7,467.95 km) |
| Iowa City to Zawiercie | 4,832.56 mi (7,777.26 km) |
| Iowa City to Zdunska Wola | 4,767.38 mi (7,672.36 km) |
| Iowa City to Zdzieszowice | 4,793.76 mi (7,714.82 km) |
| Iowa City to Zgierz | 4,770.34 mi (7,677.12 km) |
| Iowa City to Zgorzelec | 4,657.24 mi (7,495.10 km) |
| Iowa City to Ziebice | 4,749.37 mi (7,643.38 km) |
| Iowa City to Zielona Gora | 4,639.46 mi (7,466.48 km) |
| Iowa City to Zielonka | 4,804.30 mi (7,731.77 km) |
| Iowa City to Zlocieniec | 4,586.69 mi (7,381.57 km) |
| Iowa City to Zlotoryja | 4,688.40 mi (7,545.24 km) |
| Iowa City to Zlotow | 4,626.73 mi (7,446.01 km) |
| Iowa City to Znin | 4,670.34 mi (7,516.18 km) |
