| Overpelt to Navodari | 1,171.41 mi (1,885.20 km) |
| Overpelt to Negresti-Oas | 837.38 mi (1,347.64 km) |
| Overpelt to Nehoiu | 1,037.74 mi (1,670.08 km) |
| Overpelt to Ocna Mures | 900.10 mi (1,448.57 km) |
| Overpelt to Odobesti | 1,055.66 mi (1,698.93 km) |
| Overpelt to Odorheiu Secuiesc | 963.21 mi (1,550.13 km) |
| Overpelt to Oltenita | 1,098.29 mi (1,767.53 km) |
| Overpelt to Onesti | 1,027.11 mi (1,652.97 km) |
| Overpelt to Oradea | 796.89 mi (1,282.47 km) |
| Overpelt to Orastie | 891.15 mi (1,434.17 km) |
| Overpelt to Oravita | 860.42 mi (1,384.72 km) |
| Overpelt to Orsova | 901.38 mi (1,450.63 km) |
| Overpelt to Otelu Rosu | 868.62 mi (1,397.91 km) |
| Overpelt to Otopeni | 1,057.23 mi (1,701.46 km) |
| Overpelt to Ovidiu | 1,171.07 mi (1,884.65 km) |
