| Boppard to Kamenz | 293.30 mi (472.03 km) |
| Boppard to Kamp-Lintfort | 99.04 mi (159.39 km) |
| Boppard to Kandel | 83.87 mi (134.98 km) |
| Boppard to Kappeln | 321.51 mi (517.42 km) |
| Boppard to Karben | 52.03 mi (83.74 km) |
| Boppard to Karlsdorf-Neuthard | 86.83 mi (139.74 km) |
| Boppard to Karlsfeld | 223.48 mi (359.66 km) |
| Boppard to Karlsruhe | 91.96 mi (147.99 km) |
| Boppard to Kassel | 112.05 mi (180.33 km) |
| Boppard to Kaufbeuren | 212.66 mi (342.24 km) |
| Boppard to Kaufering | 210.11 mi (338.14 km) |
| Boppard to Kaufungen | 114.52 mi (184.30 km) |
| Boppard to Kehl | 115.47 mi (185.83 km) |
| Boppard to Kelheim | 211.98 mi (341.15 km) |
| Boppard to Kelkheim (Taunus) | 38.55 mi (62.03 km) |
