Here are a few suggestions for your next trip from Kolonia

In 2 hours, you can reach Bruksela.

In 3 hours, you can reach Amsterdam, Antwerpia.

In 4 hours, you can reach Paryż, Luksemburg, Hamburg, Rotterdam.

In 5 hours, you can reach Londyn, Berlin, Zurych, Esch-sur-Alzette.

In 7 hours, you can reach Schaan, Vaduz.

In 8 hours, you can reach Wiedeń, Praga, Birmingham, Marsylia, Genewa.

In 9 hours, you can reach Kopenhaga, Bratysława, Mediolan, Århus.

In 10+ hours, you can reach Madryt, Rzym, Bukareszt, Budapeszt, Warszawa, Sztokholm, Dublin, Zagrzeb, Lublana, Monako...