| Porvoo to Matelica | 1,296.37 mi (2,086.31 km) |
| Porvoo to Matera | 1,416.91 mi (2,280.29 km) |
| Porvoo to Matino | 1,443.48 mi (2,323.05 km) |
| Porvoo to Mazzarino | 1,673.03 mi (2,692.48 km) |
| Porvoo to Meda | 1,219.42 mi (1,962.46 km) |
| Porvoo to Medesano | 1,255.32 mi (2,020.25 km) |
| Porvoo to Medicina | 1,242.19 mi (1,999.11 km) |
| Porvoo to Meldola | 1,256.72 mi (2,022.49 km) |
| Porvoo to Melegnano | 1,234.85 mi (1,987.30 km) |
| Porvoo to Melendugno | 1,425.71 mi (2,294.46 km) |
| Porvoo to Melfi | 1,406.17 mi (2,263.01 km) |
| Porvoo to Melilli | 1,669.27 mi (2,686.42 km) |
| Porvoo to Melito di Napoli | 1,431.10 mi (2,303.13 km) |
| Porvoo to Melito di Porto Salvo | 1,611.86 mi (2,594.04 km) |
| Porvoo to Melzo | 1,224.11 mi (1,970.01 km) |
