| Bonn to Kranenburg | 86.95 mi (139.93 km) |
| Bonn to Krefeld | 47.49 mi (76.43 km) |
| Bonn to Kressbronn am Bodensee | 244.41 mi (393.33 km) |
| Bonn to Kreuzau | 26.66 mi (42.90 km) |
| Bonn to Kreuztal | 41.10 mi (66.15 km) |
| Bonn to Kriftel | 75.11 mi (120.88 km) |
| Bonn to Kronach | 188.93 mi (304.05 km) |
| Bonn to Kronberg | 72.36 mi (116.46 km) |
| Bonn to Kronshagen | 278.49 mi (448.19 km) |
| Bonn to Krumbach | 225.64 mi (363.13 km) |
| Bonn to Kulmbach | 195.70 mi (314.95 km) |
| Bonn to Kummersbruck | 230.73 mi (371.33 km) |
| Bonn to Kunzell | 115.35 mi (185.63 km) |
| Bonn to Kunzelsau | 152.28 mi (245.08 km) |
| Bonn to Kurort Steinbach-Hallenberg | 151.66 mi (244.07 km) |
