| Ardea to Odessa (Texas) | 5,887.34 mi (9,474.76 km) |
| Ardea to Ogden (Utah) | 5,745.83 mi (9,247.03 km) |
| Ardea to Oildale (California) | 6,294.76 mi (10,130.43 km) |
| Ardea to Ojus (Florida) | 5,181.68 mi (8,339.10 km) |
| Ardea to Okemos (Michigan) | 4,658.84 mi (7,497.68 km) |
| Ardea to Oklahoma City (Oklahoma) | 5,516.08 mi (8,877.27 km) |
| Ardea to Okmulgee (Oklahoma) | 5,448.25 mi (8,768.11 km) |
| Ardea to Olathe (Kansas) | 5,246.00 mi (8,442.62 km) |
| Ardea to Old Jamestown (Missouri) | 5,065.38 mi (8,151.95 km) |
| Ardea to Oldsmar (Florida) | 5,208.73 mi (8,382.65 km) |
| Ardea to Olean (New York) | 4,434.19 mi (7,136.15 km) |
| Ardea to Olive Branch (Mississippi) | 5,222.05 mi (8,404.08 km) |
| Ardea to Olivehurst (California) | 6,159.97 mi (9,913.52 km) |
| Ardea to Olney (Maryland) | 4,488.93 mi (7,224.23 km) |
| Ardea to Olympia (Washington) | 5,730.18 mi (9,221.83 km) |
