| Port Talbot to Jicin | 833.84 mi (1,341.93 km) |
| Port Talbot to Jihlava | 862.88 mi (1,388.67 km) |
| Port Talbot to Jindrichuv Hradec | 843.19 mi (1,356.99 km) |
| Port Talbot to Jirkov | 751.18 mi (1,208.91 km) |
| Port Talbot to Kadan | 745.50 mi (1,199.76 km) |
| Port Talbot to Karlovy Vary | 730.71 mi (1,175.97 km) |
| Port Talbot to Karvina | 980.68 mi (1,578.25 km) |
| Port Talbot to Kladno | 784.75 mi (1,262.93 km) |
| Port Talbot to Klasterec nad Ohri | 741.07 mi (1,192.64 km) |
| Port Talbot to Klatovy | 764.64 mi (1,230.56 km) |
| Port Talbot to Kolin | 834.09 mi (1,342.34 km) |
| Port Talbot to Koprivnice | 968.47 mi (1,558.60 km) |
| Port Talbot to Kralupy nad Vltavou | 792.31 mi (1,275.10 km) |
| Port Talbot to Kraluv Dvur | 785.43 mi (1,264.03 km) |
| Port Talbot to Krnov | 940.20 mi (1,513.11 km) |
