| Rubi to Nasaud | 1,169.96 mi (1,882.88 km) |
| Rubi to Navodari | 1,353.24 mi (2,177.82 km) |
| Rubi to Negresti-Oas | 1,134.75 mi (1,826.20 km) |
| Rubi to Nehoiu | 1,241.83 mi (1,998.53 km) |
| Rubi to Ocna Mures | 1,133.17 mi (1,823.67 km) |
| Rubi to Odobesti | 1,280.61 mi (2,060.94 km) |
| Rubi to Odorheiu Secuiesc | 1,200.37 mi (1,931.82 km) |
| Rubi to Oltenita | 1,255.54 mi (2,020.60 km) |
| Rubi to Onesti | 1,269.48 mi (2,043.03 km) |
| Rubi to Oradea | 1,052.94 mi (1,694.55 km) |
| Rubi to Orastie | 1,096.16 mi (1,764.10 km) |
| Rubi to Oravita | 1,015.90 mi (1,634.93 km) |
| Rubi to Orsova | 1,048.20 mi (1,686.92 km) |
| Rubi to Otelu Rosu | 1,052.42 mi (1,693.70 km) |
| Rubi to Otopeni | 1,227.82 mi (1,975.99 km) |
