| Porvoo to Menges | 1,081.53 mi (1,740.55 km) |
| Porvoo to Metlika | 1,102.56 mi (1,774.39 km) |
| Porvoo to Mezica | 1,053.58 mi (1,695.57 km) |
| Porvoo to Miklavz na Dravskem Polju | 1,040.85 mi (1,675.08 km) |
| Porvoo to Miren | 1,115.37 mi (1,795.01 km) |
| Porvoo to Mirna | 1,087.26 mi (1,749.78 km) |
| Porvoo to Mirna Pec | 1,092.76 mi (1,758.63 km) |
| Porvoo to Mislinja | 1,053.00 mi (1,694.64 km) |
| Porvoo to Mokronog | 1,086.27 mi (1,748.18 km) |
| Porvoo to Moravce | 1,080.33 mi (1,738.62 km) |
| Porvoo to Moravske-Toplice | 1,020.50 mi (1,642.34 km) |
| Porvoo to Mozirje | 1,063.67 mi (1,711.82 km) |
| Porvoo to Murska Sobota | 1,023.13 mi (1,646.57 km) |
| Porvoo to Muta | 1,042.16 mi (1,677.20 km) |
| Porvoo to Naklo | 1,078.55 mi (1,735.76 km) |
