| Westervoort to Navodari | 1,163.45 mi (1,872.39 km) |
| Westervoort to Negresti-Oas | 824.16 mi (1,326.36 km) |
| Westervoort to Nehoiu | 1,029.85 mi (1,657.38 km) |
| Westervoort to Ocna Mures | 892.18 mi (1,435.83 km) |
| Westervoort to Odobesti | 1,045.40 mi (1,682.41 km) |
| Westervoort to Odorheiu Secuiesc | 953.47 mi (1,534.47 km) |
| Westervoort to Oltenita | 1,093.83 mi (1,760.34 km) |
| Westervoort to Onesti | 1,015.61 mi (1,634.47 km) |
| Westervoort to Oradea | 789.29 mi (1,270.24 km) |
| Westervoort to Orastie | 886.33 mi (1,426.41 km) |
| Westervoort to Oravita | 861.37 mi (1,386.24 km) |
| Westervoort to Orsova | 902.07 mi (1,451.75 km) |
| Westervoort to Otelu Rosu | 866.53 mi (1,394.54 km) |
| Westervoort to Otopeni | 1,052.23 mi (1,693.40 km) |
| Westervoort to Ovidiu | 1,163.32 mi (1,872.19 km) |
