| Iowa City to Mexborough | 3,995.99 mi (6,430.92 km) |
| Iowa City to Mickleover | 4,005.65 mi (6,446.47 km) |
| Iowa City to Middlesbrough | 3,963.02 mi (6,377.87 km) |
| Iowa City to Middleton | 3,961.33 mi (6,375.15 km) |
| Iowa City to Middlewich | 3,963.54 mi (6,378.70 km) |
| Iowa City to Midsomer Norton | 4,024.00 mi (6,475.99 km) |
| Iowa City to Mildenhall | 4,099.89 mi (6,598.14 km) |
| Iowa City to Milford Haven | 3,912.63 mi (6,296.78 km) |
| Iowa City to Mill Hill | 4,097.41 mi (6,594.15 km) |
| Iowa City to Milngavie | 3,812.73 mi (6,135.99 km) |
| Iowa City to Milnrow | 3,962.34 mi (6,376.77 km) |
| Iowa City to Milton | 3,979.14 mi (6,403.81 km) |
| Iowa City to Milton Keynes | 4,063.45 mi (6,539.49 km) |
| Iowa City to Minehead | 3,988.83 mi (6,419.39 km) |
| Iowa City to Minster | 4,142.96 mi (6,667.45 km) |
