| Portogruaro to Oststeinbek | 549.23 mi (883.89 km) |
| Portogruaro to Ottendorf-Okrilla | 375.57 mi (604.43 km) |
| Portogruaro to Ottersberg | 531.74 mi (855.76 km) |
| Portogruaro to Ottobrunn | 167.09 mi (268.91 km) |
| Portogruaro to Ottweiler | 361.84 mi (582.33 km) |
| Portogruaro to Overath | 437.85 mi (704.65 km) |
| Portogruaro to Oyten | 531.09 mi (854.70 km) |
| Portogruaro to Paderborn | 450.02 mi (724.24 km) |
| Portogruaro to Papenburg | 558.96 mi (899.55 km) |
| Portogruaro to Parchim | 529.30 mi (851.83 km) |
| Portogruaro to Pasewalk | 535.70 mi (862.13 km) |
| Portogruaro to Passau | 195.11 mi (314.00 km) |
| Portogruaro to Pattensen | 468.90 mi (754.62 km) |
| Portogruaro to Pegnitz | 280.95 mi (452.14 km) |
| Portogruaro to Peine | 466.67 mi (751.03 km) |
