| Bad Honnef am Rhein to Impruneta | 516.60 mi (831.39 km) |
| Bad Honnef am Rhein to Induno Olona | 339.42 mi (546.25 km) |
| Bad Honnef am Rhein to Inverigo | 351.49 mi (565.67 km) |
| Bad Honnef am Rhein to Inveruno | 362.14 mi (582.81 km) |
| Bad Honnef am Rhein to Inzago | 368.17 mi (592.51 km) |
| Bad Honnef am Rhein to Iseo | 368.27 mi (592.68 km) |
| Bad Honnef am Rhein to Isernia | 708.54 mi (1,140.29 km) |
| Bad Honnef am Rhein to Isola Capo Rizzuto | 939.42 mi (1,511.85 km) |
| Bad Honnef am Rhein to Isola del Liri | 689.28 mi (1,109.29 km) |
| Bad Honnef am Rhein to Isola della Scala | 410.49 mi (660.62 km) |
| Bad Honnef am Rhein to Isola Vicentina | 397.11 mi (639.09 km) |
| Bad Honnef am Rhein to Ispica | 1,030.21 mi (1,657.96 km) |
| Bad Honnef am Rhein to Istrana | 409.63 mi (659.23 km) |
| Bad Honnef am Rhein to Itri | 713.59 mi (1,148.42 km) |
| Bad Honnef am Rhein to Ittiri | 697.02 mi (1,121.75 km) |
