| Hennef to Joliet (Illinois) | 4,287.07 mi (6,899.37 km) |
| Hennef to Jonesboro (Arkansas) | 4,664.93 mi (7,507.48 km) |
| Hennef to Joplin (Missouri) | 4,743.31 mi (7,633.61 km) |
| Hennef to Joppatowne (Maryland) | 3,931.40 mi (6,326.98 km) |
| Hennef to Juana Díaz (Puerto Rico) | 4,554.98 mi (7,330.53 km) |
| Hennef to Junction City (Kansas) | 4,726.83 mi (7,607.10 km) |
| Hennef to Juneau (Alaska) | 4,582.59 mi (7,374.96 km) |
| Hennef to Jupiter (Florida) | 4,690.77 mi (7,549.06 km) |
| Hennef to Jupiter Farms (Florida) | 4,695.11 mi (7,556.05 km) |
| Hennef to Jurupa Valley (California) | 5,684.51 mi (9,148.33 km) |
| Hennef to Justice (Illinois) | 4,264.28 mi (6,862.70 km) |
| Hennef to Kahului (Hawaii) | 7,387.81 mi (11,889.53 km) |
| Hennef to Kailua (Hawaii) | 7,367.08 mi (11,856.16 km) |
| Hennef to Kalamazoo (Michigan) | 4,155.94 mi (6,688.34 km) |
| Hennef to Kalispell (Montana) | 4,773.73 mi (7,682.57 km) |
