| Ardea to Oak Harbor (Washington) | 5,650.21 mi (9,093.13 km) |
| Ardea to Oak Hills (Oregon) | 5,816.88 mi (9,361.37 km) |
| Ardea to Oak Lawn (Illinois) | 4,836.12 mi (7,782.98 km) |
| Ardea to Oak Park (California) | 6,357.57 mi (10,231.51 km) |
| Ardea to Oak Park (Illinois) | 4,830.17 mi (7,773.40 km) |
| Ardea to Oak Park (Michigan) | 4,618.18 mi (7,432.24 km) |
| Ardea to Oak Ridge (Florida) | 5,131.33 mi (8,258.08 km) |
| Ardea to Oak Ridge (New Jersey) | 4,303.57 mi (6,925.93 km) |
| Ardea to Oak Ridge (Tennessee) | 4,937.56 mi (7,946.24 km) |
| Ardea to Oakdale (California) | 6,215.85 mi (10,003.44 km) |
| Ardea to Oakdale (Minnesota) | 4,895.06 mi (7,877.83 km) |
| Ardea to Oakland (California) | 6,254.35 mi (10,065.41 km) |
| Ardea to Oakland (New Jersey) | 4,292.34 mi (6,907.85 km) |
| Ardea to Oakland Park (Florida) | 5,171.59 mi (8,322.87 km) |
| Ardea to Oakleaf Plantation (Florida) | 5,076.92 mi (8,170.52 km) |
