| Ardea to Red Bank (New Jersey) | 4,310.04 mi (6,936.33 km) |
| Ardea to Red Bank (Tennessee) | 5,018.38 mi (8,076.30 km) |
| Ardea to Red Bluff (California) | 6,115.50 mi (9,841.95 km) |
| Ardea to Red Hill (South Carolina) | 4,793.07 mi (7,713.69 km) |
| Ardea to Red Oak (Texas) | 5,629.05 mi (9,059.07 km) |
| Ardea to Red Wing (Minnesota) | 4,899.69 mi (7,885.29 km) |
| Ardea to Redan (Georgia) | 5,028.00 mi (8,091.79 km) |
| Ardea to Redding (California) | 6,095.74 mi (9,810.15 km) |
| Ardea to Redland (Maryland) | 4,492.73 mi (7,230.35 km) |
| Ardea to Redlands (California) | 6,313.28 mi (10,160.23 km) |
| Ardea to Redmond (Oregon) | 5,848.06 mi (9,411.54 km) |
| Ardea to Redmond (Washington) | 5,673.65 mi (9,130.86 km) |
| Ardea to Redondo Beach (California) | 6,363.65 mi (10,241.30 km) |
| Ardea to Redwood City (California) | 6,271.47 mi (10,092.95 km) |
| Ardea to Reedley (California) | 6,240.65 mi (10,043.36 km) |
