| Iowa City to Zottegem | 4,273.54 mi (6,877.60 km) |
| Iowa City to Zulte | 4,258.19 mi (6,852.90 km) |
| Iowa City to Zwevegem | 4,258.80 mi (6,853.88 km) |
| Iowa City to Zwijndrecht | 4,280.06 mi (6,888.09 km) |
| Iowa City to Asenovgrad | 5,428.96 mi (8,737.07 km) |
| Iowa City to Aytos | 5,476.22 mi (8,813.12 km) |
| Iowa City to Balchik | 5,469.20 mi (8,801.82 km) |
| Iowa City to Bankya | 5,333.74 mi (8,583.83 km) |
| Iowa City to Bansko | 5,389.20 mi (8,673.09 km) |
| Iowa City to Berkovitsa | 5,306.73 mi (8,540.36 km) |
| Iowa City to Blagoevgrad | 5,366.34 mi (8,636.29 km) |
| Iowa City to Botevgrad | 5,346.67 mi (8,604.64 km) |
| Iowa City to Burgas | 5,493.83 mi (8,841.47 km) |
| Iowa City to Byala Slatina | 5,323.64 mi (8,567.58 km) |
| Iowa City to Chirpan | 5,435.68 mi (8,747.89 km) |
