Bologna to Cologne by train
Trains link Bologna (Italy) and Cologne (Germany) through the European rail network. Most journeys take around 6h 34m including one or two connections at major hubs.
Operators on this corridor include Trenitalia (Frecciarossa), Italo, Deutsche Bahn (ICE).
Train fares are dynamic — typical range is €62 to €182. Advance-purchase tickets (1–2 months ahead) almost always beat walk-up prices.
Climate footprint: about 11 kg CO₂ per passenger by train vs roughly 123 kg by flight — taking the train saves ~112 kg on this distance.