| Birzebbuga to Navodari | 945.94 mi (1,522.34 km) |
| Birzebbuga to Negresti-Oas | 948.31 mi (1,526.16 km) |
| Birzebbuga to Nehoiu | 900.99 mi (1,450.00 km) |
| Birzebbuga to Ocna Mures | 875.44 mi (1,408.88 km) |
| Birzebbuga to Odobesti | 947.46 mi (1,524.79 km) |
| Birzebbuga to Odorheiu Secuiesc | 914.77 mi (1,472.18 km) |
| Birzebbuga to Oltenita | 856.86 mi (1,378.99 km) |
| Birzebbuga to Onesti | 960.31 mi (1,545.47 km) |
| Birzebbuga to Oradea | 865.31 mi (1,392.58 km) |
| Birzebbuga to Orastie | 826.64 mi (1,330.36 km) |
| Birzebbuga to Oravita | 738.91 mi (1,189.16 km) |
| Birzebbuga to Orsova | 740.90 mi (1,192.36 km) |
| Birzebbuga to Otelu Rosu | 784.39 mi (1,262.35 km) |
| Birzebbuga to Otopeni | 855.41 mi (1,376.65 km) |
| Birzebbuga to Ovidiu | 941.79 mi (1,515.67 km) |
