| Boppard to Jicin | 342.42 mi (551.07 km) |
| Boppard to Jihlava | 361.06 mi (581.07 km) |
| Boppard to Jindrichuv Hradec | 339.58 mi (546.51 km) |
| Boppard to Jirkov | 258.74 mi (416.40 km) |
| Boppard to Kadan | 250.83 mi (403.67 km) |
| Boppard to Karlovy Vary | 233.39 mi (375.61 km) |
| Boppard to Karvina | 486.23 mi (782.51 km) |
| Boppard to Kladno | 287.90 mi (463.34 km) |
| Boppard to Klasterec nad Ohri | 246.43 mi (396.58 km) |
| Boppard to Klatovy | 260.73 mi (419.60 km) |
| Boppard to Kolin | 337.20 mi (542.67 km) |
| Boppard to Koprivnice | 471.18 mi (758.29 km) |
| Boppard to Kralupy nad Vltavou | 296.92 mi (477.84 km) |
| Boppard to Kraluv Dvur | 286.21 mi (460.61 km) |
| Boppard to Krnov | 447.17 mi (719.65 km) |
