| Hennef to Jicin | 354.40 mi (570.35 km) |
| Hennef to Jihlava | 380.21 mi (611.89 km) |
| Hennef to Jindrichuv Hradec | 361.12 mi (581.16 km) |
| Hennef to Jirkov | 270.74 mi (435.71 km) |
| Hennef to Kadan | 264.15 mi (425.11 km) |
| Hennef to Karlovy Vary | 248.49 mi (399.91 km) |
| Hennef to Karvina | 500.37 mi (805.27 km) |
| Hennef to Kladno | 302.86 mi (487.41 km) |
| Hennef to Klasterec nad Ohri | 259.71 mi (417.96 km) |
| Hennef to Klatovy | 283.12 mi (455.64 km) |
| Hennef to Kolin | 352.36 mi (567.06 km) |
| Hennef to Koprivnice | 486.91 mi (783.61 km) |
| Hennef to Kralupy nad Vltavou | 310.95 mi (500.42 km) |
| Hennef to Kraluv Dvur | 302.95 mi (487.55 km) |
| Hennef to Krnov | 460.45 mi (741.03 km) |
