| Iowa City to Mirfield | 3,975.41 mi (6,397.81 km) |
| Iowa City to Mitcham | 4,107.85 mi (6,610.95 km) |
| Iowa City to Mold | 3,938.97 mi (6,339.15 km) |
| Iowa City to Molesey | 4,099.95 mi (6,598.23 km) |
| Iowa City to Monkseaton | 3,940.36 mi (6,341.39 km) |
| Iowa City to Monmouth | 3,997.75 mi (6,433.76 km) |
| Iowa City to Montrose | 3,854.47 mi (6,203.17 km) |
| Iowa City to Morden | 4,106.22 mi (6,608.32 km) |
| Iowa City to Morecambe | 3,920.23 mi (6,309.01 km) |
| Iowa City to Moreton | 3,932.40 mi (6,328.59 km) |
| Iowa City to Morley | 3,976.35 mi (6,399.31 km) |
| Iowa City to Morpeth | 3,928.29 mi (6,321.97 km) |
| Iowa City to Morriston | 3,956.28 mi (6,367.02 km) |
| Iowa City to Mosbrough | 3,998.78 mi (6,435.41 km) |
| Iowa City to Mossley | 3,968.02 mi (6,385.91 km) |
