| Etterbeek to Navodari | 1,208.81 mi (1,945.38 km) |
| Etterbeek to Negresti-Oas | 878.45 mi (1,413.72 km) |
| Etterbeek to Nehoiu | 1,075.27 mi (1,730.48 km) |
| Etterbeek to Ocna Mures | 937.89 mi (1,509.39 km) |
| Etterbeek to Odobesti | 1,094.64 mi (1,761.65 km) |
| Etterbeek to Odorheiu Secuiesc | 1,002.00 mi (1,612.56 km) |
| Etterbeek to Oltenita | 1,133.52 mi (1,824.22 km) |
| Etterbeek to Onesti | 1,066.85 mi (1,716.94 km) |
| Etterbeek to Oradea | 834.73 mi (1,343.37 km) |
| Etterbeek to Orastie | 927.00 mi (1,491.86 km) |
| Etterbeek to Oravita | 892.40 mi (1,436.19 km) |
| Etterbeek to Orsova | 933.44 mi (1,502.23 km) |
| Etterbeek to Otelu Rosu | 902.70 mi (1,452.75 km) |
| Etterbeek to Otopeni | 1,092.88 mi (1,758.82 km) |
| Etterbeek to Ovidiu | 1,208.33 mi (1,944.62 km) |
