| Iowa City to Oststeinbek | 4,394.54 mi (7,072.33 km) |
| Iowa City to Ottendorf-Okrilla | 4,616.03 mi (7,428.78 km) |
| Iowa City to Ottersberg | 4,377.79 mi (7,045.37 km) |
| Iowa City to Ottobrunn | 4,673.30 mi (7,520.96 km) |
| Iowa City to Ottweiler | 4,455.12 mi (7,169.82 km) |
| Iowa City to Overath | 4,397.53 mi (7,077.14 km) |
| Iowa City to Oyten | 4,374.81 mi (7,040.57 km) |
| Iowa City to Paderborn | 4,418.78 mi (7,111.34 km) |
| Iowa City to Papenburg | 4,319.04 mi (6,950.82 km) |
| Iowa City to Parchim | 4,455.29 mi (7,170.09 km) |
| Iowa City to Pasewalk | 4,522.99 mi (7,279.06 km) |
| Iowa City to Passau | 4,716.02 mi (7,589.70 km) |
| Iowa City to Pattensen | 4,432.04 mi (7,132.69 km) |
| Iowa City to Pegnitz | 4,597.35 mi (7,398.72 km) |
| Iowa City to Peine | 4,445.92 mi (7,155.02 km) |
