| Porvoo to Monchengladbach | 974.11 mi (1,567.67 km) |
| Porvoo to Monschau | 1,012.47 mi (1,629.41 km) |
| Porvoo to Montabaur | 975.20 mi (1,569.43 km) |
| Porvoo to Moosburg | 987.51 mi (1,589.25 km) |
| Porvoo to Morbach | 1,028.34 mi (1,654.95 km) |
| Porvoo to Morfelden-Walldorf | 978.91 mi (1,575.40 km) |
| Porvoo to Morlenbach | 997.37 mi (1,605.12 km) |
| Porvoo to Morsbach | 955.15 mi (1,537.16 km) |
| Porvoo to Mosbach | 1,000.92 mi (1,610.83 km) |
| Porvoo to Mosigkau | 782.89 mi (1,259.94 km) |
| Porvoo to Mossingen | 1,057.80 mi (1,702.37 km) |
| Porvoo to Much | 961.34 mi (1,547.12 km) |
| Porvoo to Mucheln | 823.71 mi (1,325.64 km) |
| Porvoo to Muhlacker | 1,031.73 mi (1,660.41 km) |
| Porvoo to Muhldorf | 988.46 mi (1,590.77 km) |
