| Porvoo to Manfredonia | 1,360.35 mi (2,189.27 km) |
| Porvoo to Maniago | 1,114.55 mi (1,793.70 km) |
| Porvoo to Mantova | 1,216.30 mi (1,957.44 km) |
| Porvoo to Maranello | 1,254.00 mi (2,018.11 km) |
| Porvoo to Marano di Napoli | 1,432.93 mi (2,306.08 km) |
| Porvoo to Marano Vicentino | 1,169.16 mi (1,881.58 km) |
| Porvoo to Marcianise | 1,422.39 mi (2,289.12 km) |
| Porvoo to Marcon | 1,161.36 mi (1,869.03 km) |
| Porvoo to Mareno di Piave | 1,142.18 mi (1,838.16 km) |
| Porvoo to Margherita di Savoia | 1,375.27 mi (2,213.28 km) |
| Porvoo to Mariano Comense | 1,217.01 mi (1,958.58 km) |
| Porvoo to Marigliano | 1,426.89 mi (2,296.35 km) |
| Porvoo to Marino | 1,399.34 mi (2,252.01 km) |
| Porvoo to Marostica | 1,161.84 mi (1,869.81 km) |
| Porvoo to Marsala | 1,664.75 mi (2,679.16 km) |
