| Portogruaro to Massarosa | 180.39 mi (290.30 km) |
| Portogruaro to Matelica | 174.79 mi (281.30 km) |
| Portogruaro to Matera | 401.06 mi (645.44 km) |
| Portogruaro to Matino | 479.10 mi (771.04 km) |
| Portogruaro to Mazzarino | 590.36 mi (950.09 km) |
| Portogruaro to Meda | 177.02 mi (284.89 km) |
| Portogruaro to Medesano | 149.44 mi (240.50 km) |
| Portogruaro to Medicina | 107.18 mi (172.50 km) |
| Portogruaro to Meldola | 120.26 mi (193.54 km) |
| Portogruaro to Melegnano | 172.24 mi (277.20 km) |
| Portogruaro to Melendugno | 471.40 mi (758.65 km) |
| Portogruaro to Melfi | 359.42 mi (578.43 km) |
| Portogruaro to Melilli | 605.77 mi (974.89 km) |
| Portogruaro to Melito di Napoli | 343.51 mi (552.83 km) |
| Portogruaro to Melito di Porto Salvo | 564.23 mi (908.03 km) |
