| Petrosani to Nasaud | 138.35 mi (222.66 km) |
| Petrosani to Navodari | 267.39 mi (430.32 km) |
| Petrosani to Negresti-Oas | 169.79 mi (273.26 km) |
| Petrosani to Nehoiu | 142.32 mi (229.05 km) |
| Petrosani to Ocna Mures | 71.50 mi (115.06 km) |
| Petrosani to Odobesti | 180.24 mi (290.06 km) |
| Petrosani to Odorheiu Secuiesc | 111.76 mi (179.85 km) |
| Petrosani to Oltenita | 184.45 mi (296.85 km) |
| Petrosani to Onesti | 173.60 mi (279.39 km) |
| Petrosani to Oradea | 134.05 mi (215.73 km) |
| Petrosani to Orastie | 31.39 mi (50.51 km) |
| Petrosani to Oravita | 86.07 mi (138.51 km) |
| Petrosani to Orsova | 67.28 mi (108.27 km) |
| Petrosani to Otelu Rosu | 49.99 mi (80.46 km) |
| Petrosani to Otopeni | 144.62 mi (232.75 km) |
