| Ardea to Rockville (Maryland) | 4,495.10 mi (7,234.16 km) |
| Ardea to Rockville Centre (New York) | 4,279.30 mi (6,886.86 km) |
| Ardea to Rockwall (Texas) | 5,595.41 mi (9,004.95 km) |
| Ardea to Rocky Mount (North Carolina) | 4,648.12 mi (7,480.42 km) |
| Ardea to Rocky Point (New York) | 4,238.23 mi (6,820.77 km) |
| Ardea to Rocky River (Ohio) | 4,603.05 mi (7,407.89 km) |
| Ardea to Roessleville (New York) | 4,212.10 mi (6,778.71 km) |
| Ardea to Rogers (Arkansas) | 5,339.44 mi (8,593.00 km) |
| Ardea to Rogers (Minnesota) | 4,908.94 mi (7,900.17 km) |
| Ardea to Rohnert Park (California) | 6,235.45 mi (10,034.99 km) |
| Ardea to Rolla (Missouri) | 5,166.22 mi (8,314.22 km) |
| Ardea to Rolling Meadows (Illinois) | 4,831.56 mi (7,775.65 km) |
| Ardea to Roma (Texas) | 6,022.45 mi (9,692.20 km) |
| Ardea to Rome (Georgia) | 5,050.45 mi (8,127.91 km) |
| Ardea to Rome (New York) | 4,265.79 mi (6,865.12 km) |
