| Porvoo to Mendicino | 1,516.26 mi (2,440.18 km) |
| Porvoo to Menfi | 1,669.49 mi (2,686.79 km) |
| Porvoo to Mentana | 1,383.27 mi (2,226.15 km) |
| Porvoo to Merano | 1,114.36 mi (1,793.39 km) |
| Porvoo to Merate | 1,211.45 mi (1,949.64 km) |
| Porvoo to Mercato San Severino | 1,432.43 mi (2,305.28 km) |
| Porvoo to Mercogliano | 1,423.45 mi (2,290.82 km) |
| Porvoo to Mesagne | 1,410.57 mi (2,270.10 km) |
| Porvoo to Messina | 1,595.90 mi (2,568.35 km) |
| Porvoo to Mestre | 1,166.58 mi (1,877.42 km) |
| Porvoo to Mestrino | 1,178.28 mi (1,896.26 km) |
| Porvoo to Milan | 1,231.15 mi (1,981.35 km) |
| Porvoo to Milazzo | 1,598.19 mi (2,572.04 km) |
| Porvoo to Minerbio | 1,236.77 mi (1,990.38 km) |
| Porvoo to Minervino Murge | 1,393.99 mi (2,243.41 km) |
