| Overath to Navodari | 1,087.74 mi (1,750.54 km) |
| Overath to Negresti-Oas | 753.72 mi (1,212.99 km) |
| Overath to Nehoiu | 954.06 mi (1,535.41 km) |
| Overath to Ocna Mures | 816.40 mi (1,313.86 km) |
| Overath to Odobesti | 971.88 mi (1,564.08 km) |
| Overath to Odorheiu Secuiesc | 879.43 mi (1,415.30 km) |
| Overath to Oltenita | 1,015.06 mi (1,633.58 km) |
| Overath to Onesti | 943.33 mi (1,518.14 km) |
| Overath to Oradea | 713.20 mi (1,147.78 km) |
| Overath to Orastie | 807.81 mi (1,300.05 km) |
| Overath to Oravita | 778.46 mi (1,252.81 km) |
| Overath to Orsova | 819.35 mi (1,318.62 km) |
| Overath to Otelu Rosu | 785.81 mi (1,264.64 km) |
| Overath to Otopeni | 973.90 mi (1,567.35 km) |
| Overath to Ovidiu | 1,087.41 mi (1,750.02 km) |
