| Hennef to Red Bank (New Jersey) | 3,797.75 mi (6,111.89 km) |
| Hennef to Red Bank (Tennessee) | 4,492.26 mi (7,229.60 km) |
| Hennef to Red Bluff (California) | 5,452.15 mi (8,774.40 km) |
| Hennef to Red Hill (South Carolina) | 4,305.10 mi (6,928.39 km) |
| Hennef to Red Oak (Texas) | 5,066.37 mi (8,153.53 km) |
| Hennef to Red Wing (Minnesota) | 4,297.09 mi (6,915.50 km) |
| Hennef to Redan (Georgia) | 4,515.43 mi (7,266.89 km) |
| Hennef to Redding (California) | 5,431.63 mi (8,741.36 km) |
| Hennef to Redland (Maryland) | 3,976.23 mi (6,399.13 km) |
| Hennef to Redlands (California) | 5,672.55 mi (9,129.09 km) |
| Hennef to Redmond (Oregon) | 5,180.95 mi (8,337.93 km) |
| Hennef to Redmond (Washington) | 5,001.36 mi (8,048.91 km) |
| Hennef to Redondo Beach (California) | 5,720.02 mi (9,205.48 km) |
| Hennef to Redwood City (California) | 5,612.06 mi (9,031.74 km) |
| Hennef to Reedley (California) | 5,588.87 mi (8,994.42 km) |
