| Portogruaro to Lubbeek | 508.24 mi (817.93 km) |
| Portogruaro to Lummen | 501.27 mi (806.72 km) |
| Portogruaro to Maaseik | 488.83 mi (786.69 km) |
| Portogruaro to Machelen | 523.00 mi (841.69 km) |
| Portogruaro to Maldegem | 569.59 mi (916.67 km) |
| Portogruaro to Malmedy | 448.44 mi (721.70 km) |
| Portogruaro to Manage | 512.68 mi (825.08 km) |
| Portogruaro to Marche-en-Famenne | 462.26 mi (743.94 km) |
| Portogruaro to Mariakerke | 555.89 mi (894.62 km) |
| Portogruaro to Mechelen | 526.73 mi (847.69 km) |
| Portogruaro to Mechelen-aan-de-Maas | 486.17 mi (782.42 km) |
| Portogruaro to Meerhout | 512.05 mi (824.06 km) |
| Portogruaro to Meise | 527.50 mi (848.93 km) |
| Portogruaro to Melle | 548.56 mi (882.82 km) |
| Portogruaro to Melsele | 541.95 mi (872.19 km) |
