| Hennef to Columbia (Illinois) | 4,514.51 mi (7,265.41 km) |
| Hennef to Columbia (Maryland) | 3,961.68 mi (6,375.71 km) |
| Hennef to Columbia (Missouri) | 4,567.99 mi (7,351.47 km) |
| Hennef to Columbia (Pennsylvania) | 3,909.00 mi (6,290.93 km) |
| Hennef to Columbia (South Carolina) | 4,369.52 mi (7,032.06 km) |
| Hennef to Columbia (Tennessee) | 4,535.37 mi (7,298.97 km) |
| Hennef to Columbia Heights (Minnesota) | 4,296.36 mi (6,914.33 km) |
| Hennef to Columbine (Colorado) | 4,977.20 mi (8,010.02 km) |
| Hennef to Columbus (Georgia) | 4,605.30 mi (7,411.52 km) |
| Hennef to Columbus (Indiana) | 4,315.39 mi (6,944.94 km) |
| Hennef to Columbus (Mississippi) | 4,694.85 mi (7,555.64 km) |
| Hennef to Columbus (Nebraska) | 4,619.78 mi (7,434.83 km) |
| Hennef to Columbus (Ohio) | 4,165.72 mi (6,704.09 km) |
| Hennef to Commack (New York) | 3,744.24 mi (6,025.78 km) |
| Hennef to Commerce (California) | 5,705.15 mi (9,181.55 km) |
