| Cities | Distance |
|---|---|
| Ardea to Oerlinghausen | 738.05 mi (1,187.78 km) |
| Ardea to Oestrich-Winkel | 619.00 mi (996.18 km) |
| Ardea to Offenburg | 523.97 mi (843.25 km) |
| Ardea to Oftersheim | 568.92 mi (915.58 km) |
| Ardea to Ohrdruf | 642.29 mi (1,033.67 km) |
| Ardea to Ohringen | 544.32 mi (876.00 km) |
| Ardea to Olbernhau | 626.41 mi (1,008.11 km) |
| Ardea to Olching | 458.83 mi (738.42 km) |
| Ardea to Oldenburg | 821.49 mi (1,322.06 km) |
| Ardea to Oldenburg in Holstein | 879.65 mi (1,415.66 km) |
| Ardea to Olfen | 739.12 mi (1,189.50 km) |
| Ardea to Olpe | 687.01 mi (1,105.63 km) |
| Ardea to Olsberg | 699.50 mi (1,125.73 km) |
| Ardea to Oranienburg | 770.21 mi (1,239.53 km) |
| Ardea to Ortenberg | 626.50 mi (1,008.26 km) |