| Iowa City to Marly-le-Roi | 4,283.49 mi (6,893.61 km) |
| Iowa City to Marmande | 4,370.17 mi (7,033.11 km) |
| Iowa City to Maromme | 4,220.68 mi (6,792.52 km) |
| Iowa City to Marquette-les-Lille | 4,253.48 mi (6,845.31 km) |
| Iowa City to Marseille | 4,630.37 mi (7,451.86 km) |
| Iowa City to Martigues | 4,612.85 mi (7,423.67 km) |
| Iowa City to Massy | 4,295.33 mi (6,912.67 km) |
| Iowa City to Maubeuge | 4,301.91 mi (6,923.26 km) |
| Iowa City to Mauguio | 4,562.06 mi (7,341.93 km) |
| Iowa City to Mauleon | 4,243.04 mi (6,828.51 km) |
| Iowa City to Maurepas | 4,281.63 mi (6,890.62 km) |
| Iowa City to Maxeville | 4,443.75 mi (7,151.53 km) |
| Iowa City to Mayenne | 4,198.74 mi (6,757.22 km) |
| Iowa City to Mazamet | 4,500.10 mi (7,242.22 km) |
| Iowa City to Meaux | 4,310.40 mi (6,936.92 km) |
