| Flensburg to Red Bank (New Jersey) | 3,775.56 mi (6,076.18 km) |
| Flensburg to Red Bank (Tennessee) | 4,454.51 mi (7,168.83 km) |
| Flensburg to Red Bluff (California) | 5,283.29 mi (8,502.64 km) |
| Flensburg to Red Hill (South Carolina) | 4,293.99 mi (6,910.52 km) |
| Flensburg to Red Oak (Texas) | 4,998.26 mi (8,043.92 km) |
| Flensburg to Red Wing (Minnesota) | 4,201.30 mi (6,761.34 km) |
| Flensburg to Redan (Georgia) | 4,486.63 mi (7,220.53 km) |
| Flensburg to Redding (California) | 5,261.63 mi (8,467.77 km) |
| Flensburg to Redland (Maryland) | 3,949.47 mi (6,356.06 km) |
| Flensburg to Redlands (California) | 5,532.04 mi (8,902.96 km) |
| Flensburg to Redmond (Oregon) | 5,006.74 mi (8,057.58 km) |
| Flensburg to Redmond (Washington) | 4,817.82 mi (7,753.53 km) |
| Flensburg to Redondo Beach (California) | 5,576.05 mi (8,973.78 km) |
| Flensburg to Redwood City (California) | 5,448.55 mi (8,768.59 km) |
| Flensburg to Reedley (California) | 5,435.63 mi (8,747.80 km) |
