| Portogruaro to Mouscron | 558.41 mi (898.68 km) |
| Portogruaro to Namur | 489.12 mi (787.16 km) |
| Portogruaro to Neder-Over-Heembeek | 524.36 mi (843.87 km) |
| Portogruaro to Neerpelt | 505.99 mi (814.32 km) |
| Portogruaro to Nevele | 558.60 mi (898.99 km) |
| Portogruaro to Niel | 535.58 mi (861.94 km) |
| Portogruaro to Nieuwpoort | 590.15 mi (949.75 km) |
| Portogruaro to Nijlen | 527.47 mi (848.88 km) |
| Portogruaro to Ninove | 534.06 mi (859.49 km) |
| Portogruaro to Nivelles | 513.16 mi (825.86 km) |
| Portogruaro to Olen | 520.25 mi (837.27 km) |
| Portogruaro to Oostakker | 553.94 mi (891.47 km) |
| Portogruaro to Oosterzele | 546.46 mi (879.44 km) |
| Portogruaro to Oostkamp | 574.55 mi (924.66 km) |
| Portogruaro to Opglabbeek | 492.44 mi (792.51 km) |
