The itinerary lasts 10hrs 50min, and has 3 steps.

Brussels - Cologne
The step from Brussels to Cologne lasts 1hrs 50min. You'll travel in a high-speed train.

Cologne - Hambourg
The step from Cologne to Hambourg lasts 4hrs 00min. You'll travel in a high-speed train.

Hambourg - Copenhagen
The step from Hambourg to Copenhagen lasts 5hrs 00min. You'll travel in a high-speed train.