| Cities | Distance |
|---|---|
| Ardea to Navodari | 831.86 mi (1,338.75 km) |
| Ardea to Negresti-Oas | 685.48 mi (1,103.17 km) |
| Ardea to Nehoiu | 735.13 mi (1,183.08 km) |
| Ardea to Ocna Mures | 650.79 mi (1,047.35 km) |
| Ardea to Odobesti | 778.45 mi (1,252.80 km) |
| Ardea to Odorheiu Secuiesc | 711.21 mi (1,144.58 km) |
| Ardea to Oltenita | 732.66 mi (1,179.10 km) |
| Ardea to Onesti | 775.30 mi (1,247.72 km) |
| Ardea to Oradea | 596.35 mi (959.73 km) |
| Ardea to Orastie | 606.12 mi (975.45 km) |
| Ardea to Oravita | 516.07 mi (830.54 km) |
| Ardea to Orsova | 540.18 mi (869.34 km) |
| Ardea to Otelu Rosu | 559.37 mi (900.22 km) |
| Ardea to Otopeni | 710.76 mi (1,143.85 km) |
| Ardea to Ovidiu | 828.80 mi (1,333.82 km) |