| Ardea to River Ridge (Louisiana) | 5,467.71 mi (8,799.43 km) |
| Ardea to Riverbank (California) | 6,220.79 mi (10,011.39 km) |
| Ardea to Riverdale (Georgia) | 5,046.62 mi (8,121.76 km) |
| Ardea to Riverdale (Illinois) | 4,834.42 mi (7,780.25 km) |
| Ardea to Riverside (California) | 6,327.03 mi (10,182.37 km) |
| Ardea to Riverside (Ohio) | 4,768.03 mi (7,673.39 km) |
| Ardea to Riverton (Utah) | 5,784.19 mi (9,308.75 km) |
| Ardea to Riverton (Wyoming) | 5,533.36 mi (8,905.08 km) |
| Ardea to Riverview (Florida) | 5,201.52 mi (8,371.03 km) |
| Ardea to Riverview (Michigan) | 4,630.58 mi (7,452.20 km) |
| Ardea to Riviera Beach (Florida) | 5,141.45 mi (8,274.37 km) |
| Ardea to Riviera Beach (Maryland) | 4,464.15 mi (7,184.35 km) |
| Ardea to Roanoke (Virginia) | 4,691.40 mi (7,550.07 km) |
| Ardea to Roanoke Rapids (North Carolina) | 4,621.86 mi (7,438.17 km) |
| Ardea to Robbinsdale (Minnesota) | 4,907.06 mi (7,897.15 km) |
