| Porvoo to Muggia | 1,131.59 mi (1,821.13 km) |
| Porvoo to Muggio | 1,222.02 mi (1,966.65 km) |
| Porvoo to Mugnano di Napoli | 1,431.92 mi (2,304.45 km) |
| Porvoo to Musile di Piave | 1,152.28 mi (1,854.42 km) |
| Porvoo to Mussomeli | 1,660.32 mi (2,672.03 km) |
| Porvoo to Naples | 1,436.39 mi (2,311.65 km) |
| Porvoo to Nardo | 1,434.50 mi (2,308.61 km) |
| Porvoo to Narni | 1,352.91 mi (2,177.29 km) |
| Porvoo to Nembro | 1,201.58 mi (1,933.76 km) |
| Porvoo to Nepi | 1,373.60 mi (2,210.59 km) |
| Porvoo to Nerviano | 1,230.67 mi (1,980.57 km) |
| Porvoo to Nettuno | 1,418.98 mi (2,283.63 km) |
| Porvoo to Nichelino | 1,295.02 mi (2,084.13 km) |
| Porvoo to Nicosia | 1,640.21 mi (2,639.67 km) |
| Porvoo to Niscemi | 1,680.70 mi (2,704.83 km) |
