By air: Aachen can be reached from four international airports (Düsseldorf, 60 min by shuttle bus; Cologne/Bonn, 90 min by airport bus and train; Brussels, 1,5 hrs by high speed train; Frankfurt, 2 hrs by high speed train). Please consider a climate compensation (e.g. by www.atmosfair.de)
By train: Aachen is connected to the European high speed train system between Cologne, Brussels and Paris.
By car: There are excellent motorway connections from all directions. If possible use an electric vehicle.