| Hennef to Norton Shores (Michigan) | 4,138.51 mi (6,660.29 km) |
| Hennef to Norwalk (California) | 5,708.37 mi (9,186.74 km) |
| Hennef to Norwalk (Connecticut) | 3,737.84 mi (6,015.48 km) |
| Hennef to Norwalk (Iowa) | 4,488.95 mi (7,224.26 km) |
| Hennef to Norwalk (Ohio) | 4,092.03 mi (6,585.49 km) |
| Hennef to Norwich (Connecticut) | 3,665.27 mi (5,898.68 km) |
| Hennef to Norwood (Ohio) | 4,261.66 mi (6,858.48 km) |
| Hennef to Novato (California) | 5,585.55 mi (8,989.07 km) |
| Hennef to Novi (Michigan) | 4,067.81 mi (6,546.51 km) |
| Hennef to O'Fallon (Illinois) | 4,496.32 mi (7,236.13 km) |
| Hennef to O'Fallon (Missouri) | 4,516.82 mi (7,269.13 km) |
| Hennef to Oak Creek (Wisconsin) | 4,212.30 mi (6,779.05 km) |
| Hennef to Oak Forest (Illinois) | 4,268.22 mi (6,869.04 km) |
| Hennef to Oak Grove (Oregon) | 5,148.42 mi (8,285.58 km) |
| Hennef to Oak Grove (South Carolina) | 4,382.29 mi (7,052.62 km) |
