The cities of the Ruhr region can easily be reached by train and overland bus from many destinations in Europe. The airports in Dortmund, Düsseldorf and Cologne are nearby and offer many international connections at cheap rates.

Getting here by train from:

Dortmund Airport in 30 min. to Dortmund (city centre)
Düsseldorf International Airport in 10 min. to Duisburg, 32 min. to PACT Zollverein, 50 min. to Dortmund
Cologne Bonn Airport in 1 3/4 h to Dortmund
Frankfurt am Main Airport in 2 1/4 h to Dortmund
Amsterdam Centraal in 2 h to Duisburg
Berlin (main station) in 3 1/2 h to Dortmund
Paris Nord in 5 h to Dortmund

Homepage: Deutsche Bahn AG German passenger and logistics company