| Portogruaro to Matulji | 77.30 mi (124.40 km) |
| Portogruaro to Metkovic | 303.50 mi (488.44 km) |
| Portogruaro to Nedelisce | 175.09 mi (281.78 km) |
| Portogruaro to Nova Gradiska | 223.31 mi (359.38 km) |
| Portogruaro to Novi Marof | 170.12 mi (273.79 km) |
| Portogruaro to Ogulin | 121.13 mi (194.94 km) |
| Portogruaro to Opatija | 77.47 mi (124.67 km) |
| Portogruaro to Osijek | 283.36 mi (456.02 km) |
| Portogruaro to Otocac | 132.67 mi (213.51 km) |
| Portogruaro to Pazin | 65.28 mi (105.06 km) |
| Portogruaro to Petrinja | 168.16 mi (270.63 km) |
| Portogruaro to Popovaca | 183.62 mi (295.52 km) |
| Portogruaro to Pozega | 236.18 mi (380.10 km) |
| Portogruaro to Pula | 79.98 mi (128.72 km) |
| Portogruaro to Rijeka | 83.93 mi (135.06 km) |
