| Bad Honnef am Rhein to Grevena | 1,000.42 mi (1,610.02 km) |
| Bad Honnef am Rhein to Ialysos | 1,427.63 mi (2,297.56 km) |
| Bad Honnef am Rhein to Ilion | 1,187.17 mi (1,910.57 km) |
| Bad Honnef am Rhein to Ilioupoli | 1,194.31 mi (1,922.06 km) |
| Bad Honnef am Rhein to Ioannina | 1,004.96 mi (1,617.32 km) |
| Bad Honnef am Rhein to Irakleio | 1,384.37 mi (2,227.93 km) |
| Bad Honnef am Rhein to Irakleio | 1,188.47 mi (1,912.66 km) |
| Bad Honnef am Rhein to Kaisariani | 1,192.67 mi (1,919.41 km) |
| Bad Honnef am Rhein to Kalamaria | 1,026.03 mi (1,651.24 km) |
| Bad Honnef am Rhein to Kalamata | 1,192.83 mi (1,919.67 km) |
| Bad Honnef am Rhein to Kallithea | 1,191.74 mi (1,917.92 km) |
| Bad Honnef am Rhein to Kalymnos | 1,355.89 mi (2,182.10 km) |
| Bad Honnef am Rhein to Kalyvia Thorikou | 1,205.32 mi (1,939.78 km) |
| Bad Honnef am Rhein to Kamatero | 1,186.12 mi (1,908.88 km) |
| Bad Honnef am Rhein to Karditsa | 1,055.52 mi (1,698.70 km) |
