| Iowa City to Yuncos | 4,364.93 mi (7,024.67 km) |
| Iowa City to Zafra | 4,313.34 mi (6,941.66 km) |
| Iowa City to Zamora | 4,228.89 mi (6,805.74 km) |
| Iowa City to Zaragoza | 4,435.00 mi (7,137.44 km) |
| Iowa City to Zarautz | 4,318.40 mi (6,949.79 km) |
| Iowa City to Zuera | 4,430.62 mi (7,130.40 km) |
| Iowa City to Zumaia | 4,314.06 mi (6,942.81 km) |
| Iowa City to Zumarraga | 4,319.49 mi (6,951.55 km) |
| Iowa City to Longyearbyen | 3,643.03 mi (5,862.89 km) |
| Iowa City to Ahus | 4,430.72 mi (7,130.56 km) |
| Iowa City to Akersberga | 4,397.65 mi (7,077.34 km) |
| Iowa City to Alingsas | 4,295.61 mi (6,913.12 km) |
| Iowa City to Almhult | 4,399.90 mi (7,080.95 km) |
| Iowa City to Alta | 4,404.43 mi (7,088.25 km) |
| Iowa City to Amal | 4,256.42 mi (6,850.05 km) |
