| Ovenden to Nasaud | 1,229.34 mi (1,978.43 km) |
| Ovenden to Navodari | 1,511.45 mi (2,432.44 km) |
| Ovenden to Negresti-Oas | 1,169.35 mi (1,881.89 km) |
| Ovenden to Nehoiu | 1,378.01 mi (2,217.69 km) |
| Ovenden to Ocna Mures | 1,240.48 mi (1,996.35 km) |
| Ovenden to Odobesti | 1,392.25 mi (2,240.61 km) |
| Ovenden to Odorheiu Secuiesc | 1,300.79 mi (2,093.42 km) |
| Ovenden to Oltenita | 1,442.98 mi (2,322.25 km) |
| Ovenden to Onesti | 1,361.66 mi (2,191.38 km) |
| Ovenden to Oradea | 1,137.82 mi (1,831.14 km) |
| Ovenden to Orastie | 1,235.49 mi (1,988.34 km) |
| Ovenden to Oravita | 1,210.12 mi (1,947.49 km) |
| Ovenden to Orsova | 1,250.91 mi (2,013.14 km) |
| Ovenden to Otelu Rosu | 1,215.82 mi (1,956.67 km) |
| Ovenden to Otopeni | 1,401.30 mi (2,255.17 km) |
