| Slobozia to Opwijk | 1,157.85 mi (1,863.38 km) |
| Slobozia to Ostend | 1,215.32 mi (1,955.86 km) |
| Slobozia to Oud-Heverlee | 1,135.22 mi (1,826.96 km) |
| Slobozia to Oud-Turnhout | 1,130.33 mi (1,819.08 km) |
| Slobozia to Oudenaarde | 1,180.83 mi (1,900.37 km) |
| Slobozia to Oudenburg | 1,211.27 mi (1,949.35 km) |
| Slobozia to Oupeye | 1,091.73 mi (1,756.97 km) |
| Slobozia to Overijse | 1,140.08 mi (1,834.78 km) |
| Slobozia to Overpelt | 1,110.42 mi (1,787.05 km) |
| Slobozia to Paal | 1,117.36 mi (1,798.22 km) |
| Slobozia to Peer | 1,107.31 mi (1,782.04 km) |
| Slobozia to Pepinster | 1,081.94 mi (1,741.22 km) |
| Slobozia to Peruwelz | 1,176.85 mi (1,893.96 km) |
| Slobozia to Perwez | 1,125.57 mi (1,811.44 km) |
| Slobozia to Philippeville | 1,130.78 mi (1,819.82 km) |
