| Porvoo to Mainaschaff | 966.78 mi (1,555.89 km) |
| Porvoo to Mainburg | 979.69 mi (1,576.66 km) |
| Porvoo to Maintal | 963.99 mi (1,551.39 km) |
| Porvoo to Mainz | 988.21 mi (1,590.37 km) |
| Porvoo to Maisach | 1,017.35 mi (1,637.26 km) |
| Porvoo to Maisenhausen | 967.26 mi (1,556.66 km) |
| Porvoo to Malente | 707.01 mi (1,137.82 km) |
| Porvoo to Malsch | 1,048.51 mi (1,687.41 km) |
| Porvoo to Manching | 981.92 mi (1,580.25 km) |
| Porvoo to Mannheim | 1,010.66 mi (1,626.50 km) |
| Porvoo to Mansfeld | 815.86 mi (1,313.00 km) |
| Porvoo to Marbach am Neckar | 1,022.43 mi (1,645.44 km) |
| Porvoo to Marburg | 929.35 mi (1,495.64 km) |
| Porvoo to Marienberg | 830.42 mi (1,336.44 km) |
| Porvoo to Marienheide | 948.80 mi (1,526.95 km) |
