| Trebur to Navodari | 1,021.69 mi (1,644.25 km) |
| Trebur to Negresti-Oas | 695.38 mi (1,119.11 km) |
| Trebur to Nehoiu | 888.31 mi (1,429.60 km) |
| Trebur to Ocna Mures | 751.21 mi (1,208.96 km) |
| Trebur to Odobesti | 908.76 mi (1,462.51 km) |
| Trebur to Odorheiu Secuiesc | 816.06 mi (1,313.32 km) |
| Trebur to Oltenita | 945.55 mi (1,521.72 km) |
| Trebur to Onesti | 881.78 mi (1,419.09 km) |
| Trebur to Oradea | 648.20 mi (1,043.17 km) |
| Trebur to Orastie | 739.28 mi (1,189.75 km) |
| Trebur to Oravita | 704.40 mi (1,133.62 km) |
| Trebur to Orsova | 745.42 mi (1,199.64 km) |
| Trebur to Otelu Rosu | 714.58 mi (1,150.00 km) |
| Trebur to Otopeni | 905.04 mi (1,456.52 km) |
| Trebur to Ovidiu | 1,021.14 mi (1,643.36 km) |
