| Cities | Distance |
|---|---|
| Ardea to Oria | 275.80 mi (443.85 km) |
| Ardea to Oristano | 238.48 mi (383.79 km) |
| Ardea to Orta Nova | 164.84 mi (265.28 km) |
| Ardea to Orte | 58.89 mi (94.78 km) |
| Ardea to Ortona | 107.68 mi (173.29 km) |
| Ardea to Orvieto | 79.37 mi (127.74 km) |
| Ardea to Orzinuovi | 292.40 mi (470.58 km) |
| Ardea to Osimo | 137.44 mi (221.18 km) |
| Ardea to Ospitaletto | 298.99 mi (481.18 km) |
| Ardea to Ostuni | 268.74 mi (432.50 km) |
| Ardea to Ottaviano | 113.30 mi (182.33 km) |
| Ardea to Ovada | 286.91 mi (461.74 km) |
| Ardea to Ozieri | 197.92 mi (318.53 km) |
| Ardea to Paceco | 251.04 mi (404.02 km) |
| Ardea to Pachino | 365.03 mi (587.46 km) |