| Penarth to Jicin | 807.26 mi (1,299.15 km) |
| Penarth to Jihlava | 835.41 mi (1,344.46 km) |
| Penarth to Jindrichuv Hradec | 815.44 mi (1,312.32 km) |
| Penarth to Jirkov | 724.40 mi (1,165.80 km) |
| Penarth to Kadan | 718.55 mi (1,156.40 km) |
| Penarth to Karlovy Vary | 703.55 mi (1,132.26 km) |
| Penarth to Karvina | 954.03 mi (1,535.36 km) |
| Penarth to Kladno | 757.70 mi (1,219.40 km) |
| Penarth to Klasterec nad Ohri | 714.12 mi (1,149.27 km) |
| Penarth to Klatovy | 736.80 mi (1,185.76 km) |
| Penarth to Kolin | 807.10 mi (1,298.90 km) |
| Penarth to Koprivnice | 941.55 mi (1,515.28 km) |
| Penarth to Kralupy nad Vltavou | 765.38 mi (1,231.77 km) |
| Penarth to Kraluv Dvur | 758.19 mi (1,220.18 km) |
| Penarth to Krnov | 913.63 mi (1,470.35 km) |
