| Herten to Navodari | 1,108.15 mi (1,783.40 km) |
| Herten to Negresti-Oas | 769.84 mi (1,238.93 km) |
| Herten to Nehoiu | 974.52 mi (1,568.34 km) |
| Herten to Ocna Mures | 836.83 mi (1,346.75 km) |
| Herten to Odobesti | 990.49 mi (1,594.03 km) |
| Herten to Odorheiu Secuiesc | 898.44 mi (1,445.89 km) |
| Herten to Oltenita | 1,038.10 mi (1,670.66 km) |
| Herten to Onesti | 960.95 mi (1,546.49 km) |
| Herten to Oradea | 733.86 mi (1,181.04 km) |
| Herten to Orastie | 830.61 mi (1,336.74 km) |
| Herten to Oravita | 805.45 mi (1,296.25 km) |
| Herten to Orsova | 846.15 mi (1,361.74 km) |
| Herten to Otelu Rosu | 810.63 mi (1,304.59 km) |
| Herten to Otopeni | 996.55 mi (1,603.80 km) |
| Herten to Ovidiu | 1,108.00 mi (1,783.15 km) |
