| Boppard to Kranenburg | 127.79 mi (205.66 km) |
| Boppard to Krefeld | 88.30 mi (142.11 km) |
| Boppard to Kressbronn am Bodensee | 203.66 mi (327.76 km) |
| Boppard to Kreuzau | 60.06 mi (96.66 km) |
| Boppard to Kreuztal | 53.41 mi (85.96 km) |
| Boppard to Kriftel | 40.11 mi (64.55 km) |
| Boppard to Kronach | 165.15 mi (265.78 km) |
| Boppard to Kronberg | 40.34 mi (64.92 km) |
| Boppard to Kronshagen | 302.31 mi (486.53 km) |
| Boppard to Krumbach | 185.51 mi (298.54 km) |
| Boppard to Kulmbach | 170.29 mi (274.05 km) |
| Boppard to Kummersbruck | 199.41 mi (320.92 km) |
| Boppard to Kunzell | 96.20 mi (154.81 km) |
| Boppard to Kunzelsau | 114.08 mi (183.59 km) |
| Boppard to Kurort Steinbach-Hallenberg | 134.83 mi (216.98 km) |
