The itinerary lasts 16hrs 10min, and has 3 steps.

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

Cologne - Paris
The step from Cologne to Paris lasts 3hrs 20min. You'll travel in a high-speed train.

Paris - Toulouse
The step from Paris to Toulouse lasts 8hrs 50min. You'll travel in a night train.