Cologne is a compact place and seeing the sights on foot is the best way to explore the city.
Flights are available direct to Cologne Bonn Airport from London and a host of other cities in Germany and Europe.
The central bus station with routes throughout Germany as well as other European destinations.
Germany’s rail service is one of the best and Cologne is no exception. It is well-connected and direct lines run from the city to Frankfurt, Munich and Berlin as well as connections to other German cities.