| Mason City to Mengen | 4,577.11 mi (7,366.14 km) |
| Mason City to Meppen | 4,310.74 mi (6,937.46 km) |
| Mason City to Merchweiler | 4,439.80 mi (7,145.17 km) |
| Mason City to Mering | 4,626.76 mi (7,446.06 km) |
| Mason City to Merseburg | 4,525.43 mi (7,282.97 km) |
| Mason City to Merzenich | 4,360.30 mi (7,017.23 km) |
| Mason City to Merzig | 4,420.15 mi (7,113.55 km) |
| Mason City to Meschede | 4,399.83 mi (7,080.84 km) |
| Mason City to Messkirch | 4,571.75 mi (7,357.52 km) |
| Mason City to Messstetten | 4,558.23 mi (7,335.76 km) |
| Mason City to Mettingen | 4,342.67 mi (6,988.85 km) |
| Mason City to Mettlach | 4,417.73 mi (7,109.64 km) |
| Mason City to Mettmann | 4,358.37 mi (7,014.12 km) |
| Mason City to Metzingen | 4,554.43 mi (7,329.65 km) |
| Mason City to Meuselwitz | 4,549.06 mi (7,321.01 km) |
