| Overlea to Nasaud | 4,732.47 mi (7,616.18 km) |
| Overlea to Navodari | 5,017.35 mi (8,074.65 km) |
| Overlea to Negresti-Oas | 4,671.74 mi (7,518.44 km) |
| Overlea to Nehoiu | 4,884.29 mi (7,860.50 km) |
| Overlea to Ocna Mures | 4,747.06 mi (7,639.65 km) |
| Overlea to Odobesti | 4,896.41 mi (7,880.00 km) |
| Overlea to Odorheiu Secuiesc | 4,805.95 mi (7,734.43 km) |
| Overlea to Oltenita | 4,950.22 mi (7,966.60 km) |
| Overlea to Onesti | 4,864.50 mi (7,828.66 km) |
| Overlea to Oradea | 4,644.72 mi (7,474.95 km) |
| Overlea to Orastie | 4,742.73 mi (7,632.68 km) |
| Overlea to Oravita | 4,714.37 mi (7,587.04 km) |
| Overlea to Orsova | 4,755.36 mi (7,653.02 km) |
| Overlea to Otelu Rosu | 4,722.30 mi (7,599.80 km) |
| Overlea to Otopeni | 4,908.53 mi (7,899.52 km) |
