| Ardea to Robertsville (New Jersey) | 4,320.40 mi (6,953.02 km) |
| Ardea to Robinson (Texas) | 5,694.94 mi (9,165.12 km) |
| Ardea to Robstown (Texas) | 5,896.93 mi (9,490.20 km) |
| Ardea to Rochester (Michigan) | 4,606.61 mi (7,413.62 km) |
| Ardea to Rochester (Minnesota) | 4,920.24 mi (7,918.36 km) |
| Ardea to Rochester (New Hampshire) | 4,068.38 mi (6,547.42 km) |
| Ardea to Rochester (New York) | 4,358.23 mi (7,013.89 km) |
| Ardea to Rochester Hills (Michigan) | 4,609.01 mi (7,417.48 km) |
| Ardea to Rock Hill (South Carolina) | 4,835.87 mi (7,782.58 km) |
| Ardea to Rock Island (Illinois) | 4,960.06 mi (7,982.45 km) |
| Ardea to Rock Springs (Wyoming) | 5,636.28 mi (9,070.72 km) |
| Ardea to Rockford (Illinois) | 4,865.05 mi (7,829.55 km) |
| Ardea to Rockledge (Florida) | 5,105.86 mi (8,217.09 km) |
| Ardea to Rocklin (California) | 6,166.91 mi (9,924.68 km) |
| Ardea to Rockport (Texas) | 5,859.71 mi (9,430.29 km) |
