| Aberystwyth to Jicin | 845.61 mi (1,360.88 km) |
| Aberystwyth to Jihlava | 878.99 mi (1,414.60 km) |
| Aberystwyth to Jindrichuv Hradec | 860.98 mi (1,385.61 km) |
| Aberystwyth to Jirkov | 764.18 mi (1,229.83 km) |
| Aberystwyth to Kadan | 759.27 mi (1,221.92 km) |
| Aberystwyth to Karlovy Vary | 745.57 mi (1,199.89 km) |
| Aberystwyth to Karvina | 992.42 mi (1,597.15 km) |
| Aberystwyth to Kladno | 798.89 mi (1,285.69 km) |
| Aberystwyth to Klasterec nad Ohri | 754.89 mi (1,214.87 km) |
| Aberystwyth to Klatovy | 783.13 mi (1,260.33 km) |
| Aberystwyth to Kolin | 847.84 mi (1,364.46 km) |
| Aberystwyth to Koprivnice | 981.51 mi (1,579.60 km) |
| Aberystwyth to Kralupy nad Vltavou | 805.84 mi (1,296.87 km) |
| Aberystwyth to Kraluv Dvur | 800.58 mi (1,288.41 km) |
| Aberystwyth to Krnov | 951.66 mi (1,531.56 km) |
