| Ardea to Hicksville (New York) | 4,270.59 mi (6,872.85 km) |
| Ardea to Hidalgo (Texas) | 6,004.81 mi (9,663.81 km) |
| Ardea to High Point (North Carolina) | 4,745.89 mi (7,637.78 km) |
| Ardea to Highland (California) | 6,309.67 mi (10,154.44 km) |
| Ardea to Highland (Illinois) | 5,044.14 mi (8,117.77 km) |
| Ardea to Highland (Indiana) | 4,831.34 mi (7,775.29 km) |
| Ardea to Highland (Utah) | 5,783.59 mi (9,307.79 km) |
| Ardea to Highland City (Florida) | 5,175.36 mi (8,328.93 km) |
| Ardea to Highland Park (Illinois) | 4,818.32 mi (7,754.34 km) |
| Ardea to Highland Park (New Jersey) | 4,320.34 mi (6,952.91 km) |
| Ardea to Highland Springs (Virginia) | 4,563.19 mi (7,343.75 km) |
| Ardea to Highland Village (Texas) | 5,612.88 mi (9,033.06 km) |
| Ardea to Highlands Ranch (Colorado) | 5,596.58 mi (9,006.83 km) |
| Ardea to Hillcrest (California) | 6,295.34 mi (10,131.38 km) |
| Ardea to Hillcrest Heights (Maryland) | 4,496.25 mi (7,236.02 km) |
