| Iowa City to Masanasa | 4,543.61 mi (7,312.23 km) |
| Iowa City to Masquefa | 4,555.52 mi (7,331.40 km) |
| Iowa City to Matadepera | 4,560.43 mi (7,339.30 km) |
| Iowa City to Mazarron | 4,575.10 mi (7,362.92 km) |
| Iowa City to Meco | 4,370.92 mi (7,034.32 km) |
| Iowa City to Medina del Campo | 4,273.20 mi (6,877.06 km) |
| Iowa City to Medina Sidonia | 4,410.40 mi (7,097.85 km) |
| Iowa City to Mejorada del Campo | 4,374.26 mi (7,039.69 km) |
| Iowa City to Meliana | 4,541.07 mi (7,308.14 km) |
| Iowa City to Mengibar | 4,448.53 mi (7,159.22 km) |
| Iowa City to Merida | 4,299.04 mi (6,918.64 km) |
| Iowa City to Miajadas | 4,301.75 mi (6,923.00 km) |
| Iowa City to Mieres | 4,165.17 mi (6,703.19 km) |
| Iowa City to Miguelturra | 4,403.74 mi (7,087.13 km) |
| Iowa City to Mijas | 4,464.22 mi (7,184.47 km) |
