| Hennef to Yonkers (New York) | 3,763.12 mi (6,056.16 km) |
| Hennef to Yorba Linda (California) | 5,700.12 mi (9,173.46 km) |
| Hennef to York (Pennsylvania) | 3,921.61 mi (6,311.23 km) |
| Hennef to Yorktown (Indiana) | 4,252.92 mi (6,844.42 km) |
| Hennef to Yorkville (Illinois) | 4,291.47 mi (6,906.45 km) |
| Hennef to Youngstown (Ohio) | 4,023.29 mi (6,474.86 km) |
| Hennef to Youngsville (Louisiana) | 5,010.97 mi (8,064.38 km) |
| Hennef to Ypsilanti (Michigan) | 4,083.71 mi (6,572.09 km) |
| Hennef to Yuba City (California) | 5,498.32 mi (8,848.69 km) |
| Hennef to Yucaipa (California) | 5,669.72 mi (9,124.52 km) |
| Hennef to Yucca Valley (California) | 5,645.63 mi (9,085.76 km) |
| Hennef to Yukon (Oklahoma) | 4,943.41 mi (7,955.65 km) |
| Hennef to Yulee (Florida) | 4,564.65 mi (7,346.09 km) |
| Hennef to Yuma (Arizona) | 5,676.44 mi (9,135.34 km) |
| Hennef to Zachary (Louisiana) | 4,948.75 mi (7,964.25 km) |
