| Hennef to Ridgeland (Mississippi) | 4,818.15 mi (7,754.06 km) |
| Hennef to Ridgewood (New Jersey) | 3,771.37 mi (6,069.44 km) |
| Hennef to Rifle (Colorado) | 5,067.35 mi (8,155.12 km) |
| Hennef to Rincon (Georgia) | 4,468.61 mi (7,191.54 km) |
| Hennef to Ringwood (New Jersey) | 3,772.35 mi (6,071.00 km) |
| Hennef to Río Grande (Puerto Rico) | 4,509.11 mi (7,256.71 km) |
| Hennef to Rio Grande City (Texas) | 5,473.19 mi (8,808.25 km) |
| Hennef to Rio Linda (California) | 5,519.84 mi (8,883.32 km) |
| Hennef to Rio Rancho (New Mexico) | 5,267.89 mi (8,477.86 km) |
| Hennef to Rio Rico (Arizona) | 5,624.70 mi (9,052.08 km) |
| Hennef to Ripon (California) | 5,567.91 mi (8,960.69 km) |
| Hennef to River Edge (New Jersey) | 3,770.86 mi (6,068.61 km) |
| Hennef to River Falls (Wisconsin) | 4,284.13 mi (6,894.65 km) |
| Hennef to River Forest (Illinois) | 4,256.70 mi (6,850.50 km) |
| Hennef to River Grove (Illinois) | 4,255.97 mi (6,849.32 km) |
