| Iowa City to Los Llanos de Aridane | 4,129.74 mi (6,646.17 km) |
| Iowa City to Los Palacios y Villafranca | 4,383.34 mi (7,054.31 km) |
| Iowa City to Luanco | 4,151.88 mi (6,681.80 km) |
| Iowa City to Lucena | 4,440.00 mi (7,145.49 km) |
| Iowa City to Lugo | 4,096.40 mi (6,592.51 km) |
| Iowa City to Lumbreras | 4,554.42 mi (7,329.63 km) |
| Iowa City to Madrid | 4,359.52 mi (7,015.97 km) |
| Iowa City to Madridejos | 4,403.17 mi (7,086.22 km) |
| Iowa City to Mahon | 4,724.94 mi (7,604.05 km) |
| Iowa City to Mairena del Alcor | 4,384.28 mi (7,055.81 km) |
| Iowa City to Mairena del Aljarafe | 4,370.29 mi (7,033.30 km) |
| Iowa City to Majadahonda | 4,349.97 mi (7,000.61 km) |
| Iowa City to Malaga | 4,469.33 mi (7,192.69 km) |
| Iowa City to Malgrat de Mar | 4,588.97 mi (7,385.24 km) |
| Iowa City to Manacor | 4,693.18 mi (7,552.95 km) |
