| Echt to Navodari | 1,149.79 mi (1,850.41 km) |
| Echt to Negresti-Oas | 816.15 mi (1,313.47 km) |
| Echt to Nehoiu | 1,016.12 mi (1,635.29 km) |
| Echt to Ocna Mures | 878.50 mi (1,413.80 km) |
| Echt to Odobesti | 1,034.18 mi (1,664.35 km) |
| Echt to Odorheiu Secuiesc | 941.70 mi (1,515.52 km) |
| Echt to Oltenita | 1,076.56 mi (1,732.56 km) |
| Echt to Onesti | 1,005.71 mi (1,618.53 km) |
| Echt to Oradea | 775.29 mi (1,247.71 km) |
| Echt to Orastie | 869.44 mi (1,399.23 km) |
| Echt to Oravita | 838.67 mi (1,349.70 km) |
| Echt to Orsova | 879.62 mi (1,415.62 km) |
| Echt to Otelu Rosu | 846.86 mi (1,362.89 km) |
| Echt to Otopeni | 1,035.52 mi (1,666.50 km) |
| Echt to Ovidiu | 1,149.44 mi (1,849.85 km) |
