| Hunedoara to Navodari | 295.31 mi (475.26 km) |
| Hunedoara to Negresti-Oas | 147.02 mi (236.60 km) |
| Hunedoara to Nehoiu | 166.23 mi (267.53 km) |
| Hunedoara to Ocna Mures | 62.17 mi (100.05 km) |
| Hunedoara to Odobesti | 199.82 mi (321.58 km) |
| Hunedoara to Odorheiu Secuiesc | 120.24 mi (193.50 km) |
| Hunedoara to Oltenita | 215.77 mi (347.25 km) |
| Hunedoara to Onesti | 187.73 mi (302.12 km) |
| Hunedoara to Oradea | 101.80 mi (163.83 km) |
| Hunedoara to Orastie | 14.57 mi (23.45 km) |
| Hunedoara to Oravita | 78.29 mi (125.99 km) |
| Hunedoara to Orsova | 76.53 mi (123.17 km) |
| Hunedoara to Otelu Rosu | 32.44 mi (52.21 km) |
| Hunedoara to Otopeni | 175.05 mi (281.72 km) |
| Hunedoara to Ovidiu | 294.20 mi (473.48 km) |
