| Mason City to Marasesti | 5,284.56 mi (8,504.67 km) |
| Mason City to Marghita | 5,053.84 mi (8,133.37 km) |
| Mason City to Marginea | 5,140.20 mi (8,272.36 km) |
| Mason City to Matca | 5,295.56 mi (8,522.39 km) |
| Mason City to Medgidia | 5,403.23 mi (8,695.66 km) |
| Mason City to Media | 5,179.53 mi (8,335.64 km) |
| Mason City to Miercurea-Ciuc | 5,214.80 mi (8,392.41 km) |
| Mason City to Mioveni | 5,260.04 mi (8,465.21 km) |
| Mason City to Mizil | 5,305.96 mi (8,539.12 km) |
| Mason City to Moinesti | 5,232.28 mi (8,420.53 km) |
| Mason City to Moisei | 5,108.31 mi (8,221.04 km) |
| Mason City to Moldova Noua | 5,163.94 mi (8,310.57 km) |
| Mason City to Moreni | 5,281.53 mi (8,499.80 km) |
| Mason City to Motru | 5,203.31 mi (8,373.91 km) |
| Mason City to Murfatlar | 5,411.94 mi (8,709.68 km) |
