| Best to Navodari | 1,177.60 mi (1,895.16 km) |
| Best to Negresti-Oas | 841.57 mi (1,354.38 km) |
| Best to Nehoiu | 1,043.91 mi (1,680.01 km) |
| Best to Ocna Mures | 906.20 mi (1,458.39 km) |
| Best to Odobesti | 1,061.01 mi (1,707.52 km) |
| Best to Odorheiu Secuiesc | 968.70 mi (1,558.97 km) |
| Best to Oltenita | 1,105.66 mi (1,779.39 km) |
| Best to Onesti | 1,032.00 mi (1,660.84 km) |
| Best to Oradea | 803.05 mi (1,292.39 km) |
| Best to Orastie | 898.32 mi (1,445.71 km) |
| Best to Oravita | 869.50 mi (1,399.33 km) |
| Best to Orsova | 910.40 mi (1,465.14 km) |
| Best to Otelu Rosu | 876.70 mi (1,410.91 km) |
| Best to Otopeni | 1,064.41 mi (1,713.00 km) |
| Best to Ovidiu | 1,177.33 mi (1,894.73 km) |
