| Nova Dubnica to Nasaud | 310.49 mi (499.69 km) |
| Nova Dubnica to Navodari | 589.39 mi (948.53 km) |
| Nova Dubnica to Negresti-Oas | 253.06 mi (407.26 km) |
| Nova Dubnica to Nehoiu | 456.00 mi (733.86 km) |
| Nova Dubnica to Ocna Mures | 318.66 mi (512.83 km) |
| Nova Dubnica to Odobesti | 471.10 mi (758.17 km) |
| Nova Dubnica to Odorheiu Secuiesc | 379.07 mi (610.05 km) |
| Nova Dubnica to Oltenita | 524.06 mi (843.40 km) |
| Nova Dubnica to Onesti | 441.99 mi (711.32 km) |
| Nova Dubnica to Oradea | 216.81 mi (348.92 km) |
| Nova Dubnica to Orastie | 318.17 mi (512.04 km) |
| Nova Dubnica to Oravita | 316.47 mi (509.31 km) |
| Nova Dubnica to Orsova | 353.33 mi (568.62 km) |
| Nova Dubnica to Otelu Rosu | 307.57 mi (494.98 km) |
| Nova Dubnica to Otopeni | 481.81 mi (775.39 km) |
