| Porvoo to Meppen | 874.11 mi (1,406.75 km) |
| Porvoo to Merchweiler | 1,054.98 mi (1,697.83 km) |
| Porvoo to Mering | 1,020.91 mi (1,643.00 km) |
| Porvoo to Merseburg | 815.87 mi (1,313.01 km) |
| Porvoo to Merzenich | 990.81 mi (1,594.55 km) |
| Porvoo to Merzig | 1,062.06 mi (1,709.22 km) |
| Porvoo to Meschede | 913.76 mi (1,470.56 km) |
| Porvoo to Messkirch | 1,080.73 mi (1,739.27 km) |
| Porvoo to Messstetten | 1,073.34 mi (1,727.37 km) |
| Porvoo to Mettingen | 878.34 mi (1,413.55 km) |
| Porvoo to Mettlach | 1,060.31 mi (1,706.41 km) |
| Porvoo to Mettmann | 956.18 mi (1,538.82 km) |
| Porvoo to Metzingen | 1,044.61 mi (1,681.13 km) |
| Porvoo to Meuselwitz | 825.82 mi (1,329.03 km) |
| Porvoo to Michelstadt | 986.00 mi (1,586.81 km) |
