| Alba Iulia to Opwijk | 946.22 mi (1,522.79 km) |
| Alba Iulia to Ostend | 1,003.69 mi (1,615.28 km) |
| Alba Iulia to Oud-Heverlee | 923.59 mi (1,486.37 km) |
| Alba Iulia to Oud-Turnhout | 918.80 mi (1,478.66 km) |
| Alba Iulia to Oudenaarde | 969.22 mi (1,559.81 km) |
| Alba Iulia to Oudenburg | 999.64 mi (1,608.76 km) |
| Alba Iulia to Oupeye | 880.10 mi (1,416.38 km) |
| Alba Iulia to Overijse | 928.46 mi (1,494.21 km) |
| Alba Iulia to Overpelt | 898.88 mi (1,446.61 km) |
| Alba Iulia to Paal | 905.75 mi (1,457.67 km) |
| Alba Iulia to Peer | 895.74 mi (1,441.55 km) |
| Alba Iulia to Pepinster | 870.32 mi (1,400.65 km) |
| Alba Iulia to Peruwelz | 965.35 mi (1,553.58 km) |
| Alba Iulia to Perwez | 913.97 mi (1,470.90 km) |
| Alba Iulia to Philippeville | 919.39 mi (1,479.62 km) |
