| Iowa City to Miranda de Ebro | 4,308.06 mi (6,933.16 km) |
| Iowa City to Mislata | 4,540.23 mi (7,306.80 km) |
| Iowa City to Moana | 4,069.07 mi (6,548.54 km) |
| Iowa City to Moguer | 4,337.08 mi (6,979.85 km) |
| Iowa City to Molina de Segura | 4,561.42 mi (7,340.89 km) |
| Iowa City to Molins de Rey | 4,567.64 mi (7,350.91 km) |
| Iowa City to Mollerusa | 4,511.58 mi (7,260.69 km) |
| Iowa City to Mollet | 4,571.00 mi (7,356.32 km) |
| Iowa City to Moncada | 4,572.00 mi (7,357.92 km) |
| Iowa City to Moncada | 4,538.31 mi (7,303.71 km) |
| Iowa City to Monforte de Lemos | 4,115.34 mi (6,623.00 km) |
| Iowa City to Monforte del Cid | 4,569.92 mi (7,354.58 km) |
| Iowa City to Mongat | 4,576.64 mi (7,365.39 km) |
| Iowa City to Monovar | 4,562.85 mi (7,343.20 km) |
| Iowa City to Monserrat | 4,536.68 mi (7,301.08 km) |
