| Porvoo to Minturno | 1,415.06 mi (2,277.32 km) |
| Porvoo to Mira | 1,171.96 mi (1,886.09 km) |
| Porvoo to Mirandola | 1,227.67 mi (1,975.75 km) |
| Porvoo to Mirano | 1,168.63 mi (1,880.73 km) |
| Porvoo to Misano Adriatico | 1,255.69 mi (2,020.84 km) |
| Porvoo to Misilmeri | 1,634.22 mi (2,630.02 km) |
| Porvoo to Missaglia | 1,213.66 mi (1,953.20 km) |
| Porvoo to Misterbianco | 1,648.05 mi (2,652.28 km) |
| Porvoo to Modena | 1,245.71 mi (2,004.78 km) |
| Porvoo to Modica | 1,694.93 mi (2,727.72 km) |
| Porvoo to Modugno | 1,386.72 mi (2,231.70 km) |
| Porvoo to Mogliano Veneto | 1,162.08 mi (1,870.19 km) |
| Porvoo to Molfetta | 1,381.00 mi (2,222.51 km) |
| Porvoo to Molinella | 1,233.06 mi (1,984.41 km) |
| Porvoo to Moncalieri | 1,293.83 mi (2,082.21 km) |
