| Cat to Nasaud | 982.83 mi (1,581.72 km) |
| Cat to Navodari | 712.73 mi (1,147.03 km) |
| Cat to Negresti-Oas | 1,041.93 mi (1,676.83 km) |
| Cat to Nehoiu | 844.65 mi (1,359.33 km) |
| Cat to Ocna Mures | 980.77 mi (1,578.40 km) |
| Cat to Odobesti | 822.97 mi (1,324.44 km) |
| Cat to Odorheiu Secuiesc | 915.65 mi (1,473.59 km) |
| Cat to Oltenita | 798.94 mi (1,285.76 km) |
| Cat to Onesti | 851.06 mi (1,369.66 km) |
| Cat to Oradea | 1,083.55 mi (1,743.81 km) |
| Cat to Orastie | 997.06 mi (1,604.61 km) |
| Cat to Oravita | 1,051.35 mi (1,691.99 km) |
| Cat to Orsova | 1,012.32 mi (1,629.17 km) |
| Cat to Otelu Rosu | 1,028.87 mi (1,655.80 km) |
| Cat to Otopeni | 835.61 mi (1,344.79 km) |
