| Conwy to Jicin | 838.99 mi (1,350.23 km) |
| Conwy to Jihlava | 876.85 mi (1,411.15 km) |
| Conwy to Jindrichuv Hradec | 860.73 mi (1,385.21 km) |
| Conwy to Jirkov | 759.31 mi (1,221.99 km) |
| Conwy to Kadan | 755.25 mi (1,215.46 km) |
| Conwy to Karlovy Vary | 742.82 mi (1,195.45 km) |
| Conwy to Karvina | 985.14 mi (1,585.43 km) |
| Conwy to Kladno | 795.04 mi (1,279.50 km) |
| Conwy to Klasterec nad Ohri | 750.95 mi (1,208.53 km) |
| Conwy to Klatovy | 784.07 mi (1,261.84 km) |
| Conwy to Kolin | 843.30 mi (1,357.16 km) |
| Conwy to Koprivnice | 975.65 mi (1,570.15 km) |
| Conwy to Kralupy nad Vltavou | 801.29 mi (1,289.56 km) |
| Conwy to Kraluv Dvur | 797.80 mi (1,283.94 km) |
| Conwy to Krnov | 944.24 mi (1,519.60 km) |
