| Porvoo to Marghita | 911.14 mi (1,466.34 km) |
| Porvoo to Marginea | 869.06 mi (1,398.62 km) |
| Porvoo to Matca | 1,007.80 mi (1,621.90 km) |
| Porvoo to Medgidia | 1,120.61 mi (1,803.45 km) |
| Porvoo to Media | 985.64 mi (1,586.23 km) |
| Porvoo to Miercurea-Ciuc | 969.74 mi (1,560.65 km) |
| Porvoo to Mioveni | 1,067.04 mi (1,717.24 km) |
| Porvoo to Mizil | 1,064.13 mi (1,712.55 km) |
| Porvoo to Moinesti | 965.19 mi (1,553.32 km) |
| Porvoo to Moisei | 881.28 mi (1,418.29 km) |
| Porvoo to Moldova Noua | 1,095.61 mi (1,763.21 km) |
| Porvoo to Moreni | 1,065.01 mi (1,713.97 km) |
| Porvoo to Motru | 1,082.91 mi (1,742.77 km) |
| Porvoo to Murfatlar | 1,126.49 mi (1,812.92 km) |
| Porvoo to Nasaud | 907.30 mi (1,460.15 km) |
