| Iowa City to Entroncamento | 4,181.45 mi (6,729.40 km) |
| Iowa City to Ericeira | 4,156.27 mi (6,688.86 km) |
| Iowa City to Ermezinde | 4,115.20 mi (6,622.78 km) |
| Iowa City to Esmoriz | 4,121.00 mi (6,632.11 km) |
| Iowa City to Espinho | 4,118.48 mi (6,628.05 km) |
| Iowa City to Esposende | 4,093.68 mi (6,588.14 km) |
| Iowa City to Estarreja | 4,130.97 mi (6,648.15 km) |
| Iowa City to Estoril | 4,166.48 mi (6,705.30 km) |
| Iowa City to Estremoz | 4,244.16 mi (6,830.32 km) |
| Iowa City to Evora | 4,240.15 mi (6,823.87 km) |
| Iowa City to Fafe | 4,124.08 mi (6,637.07 km) |
| Iowa City to Falagueira | 4,172.40 mi (6,714.84 km) |
| Iowa City to Famalicao | 4,109.66 mi (6,613.86 km) |
| Iowa City to Fanzeres | 4,117.72 mi (6,626.83 km) |
| Iowa City to Faro | 4,296.21 mi (6,914.09 km) |
