Here are a few suggestions for your next trip from Karlovy Vary

In 4 hours, you can reach Praha.

In 5 hours, you can reach Mnichov.

In 6 hours, you can reach Berlín, Linec.

In 7 hours, you can reach Vídeň, Brno, Ostrava.

In 8 hours, you can reach Bratislava, Schaan, Hamburk, Vaduz.

In 9 hours, you can reach Paříž, Brusel, Amsterdam, Curych.

In 10+ hours, you can reach Řím, Bukurešť, Budapešť, Varšava, Stockholm, Kodaň, Záhřeb, Lublaň, Lucembursko, Milán...