| Asten to Navodari | 1,160.90 mi (1,868.28 km) |
| Asten to Negresti-Oas | 825.30 mi (1,328.20 km) |
| Asten to Nehoiu | 1,027.21 mi (1,653.13 km) |
| Asten to Ocna Mures | 889.51 mi (1,431.53 km) |
| Asten to Odobesti | 1,044.47 mi (1,680.92 km) |
| Asten to Odorheiu Secuiesc | 952.13 mi (1,532.31 km) |
| Asten to Oltenita | 1,088.77 mi (1,752.21 km) |
| Asten to Onesti | 1,015.57 mi (1,634.40 km) |
| Asten to Oradea | 786.35 mi (1,265.51 km) |
| Asten to Orastie | 881.46 mi (1,418.57 km) |
| Asten to Oravita | 852.44 mi (1,371.88 km) |
| Asten to Orsova | 893.34 mi (1,437.69 km) |
| Asten to Otelu Rosu | 859.72 mi (1,383.59 km) |
| Asten to Otopeni | 1,047.55 mi (1,685.86 km) |
| Asten to Ovidiu | 1,160.62 mi (1,867.83 km) |
