Cologne Bonn Airport (CGN) to Vienna train

ÖBB Nightjet is an Austrian train company that offers overnight services across Europe. It has a range of train types, including the EuroNight, CityNightLine and Nightjet, which all offer comfortable sleeping compartments and couchettes. The EuroNight is the most luxurious option, with private compartments and a restaurant car. The CityNightLine is a more affordable option, with compartments and couchettes, while the Nightjet is the most basic option, with couchettes and reclining seats. Ticket types include Economy, Comfort and Business, with the latter offering the most luxurious experience. Onboard facilities include Wi-Fi, power sockets, a restaurant car and a bar. The most popular routes for ÖBB Nightjet are from Vienna to Munich, Berlin, Zurich, Amsterdam, Prague and Budapest.

Deutsche Bahn is a German train company that operates trains throughout the country including trains from Cologne Bonn Airport (CGN) to Vienna. It offers a wide range of services, including high-speed InterCity Express (ICE) trains, regional trains, and night trains. ICE trains are the fastest and most comfortable way to travel, with speeds of up to 300 km/h. Regional trains are slower but offer more frequent stops and are ideal for shorter trips. Night trains are a great way to save time and money, with comfortable sleeping compartments and couchettes. Deutsche Bahn offers a variety of ticket types, including single tickets, day tickets, and group tickets. Onboard facilities include free Wi-Fi, power outlets, and a variety of food and beverage options. The most popular routes for Deutsche Bahn are between major cities such as Berlin, Munich, Hamburg, and Frankfurt. Other popular routes include Cologne to Stuttgart, Berlin to Dresden, and Hamburg to Cologne.

The ÖBB ICE is a high-speed train service operated by the Austrian Federal Railways (ÖBB). It is one of the most popular train services in Austria, offering fast and comfortable journeys between major cities. The ICE trains are modern and well-equipped, with comfortable seating, air-conditioning, and power sockets. There are three types of ICE trains: ICE T, ICE S, and ICE Sprinter. The ICE T is the fastest, with speeds of up to 230 km/h, while the ICE S and ICE Sprinter offer slightly slower speeds. The ÖBB ICE offers a range of ticket types, including single tickets, return tickets, and group tickets. Onboard facilities include a restaurant car, free Wi-Fi, and a range of entertainment options. The most popular routes for the ÖBB ICE include Vienna to Salzburg, Vienna to Innsbruck, and Vienna to Graz. These routes offer stunning views of the Austrian countryside and provide a convenient way to travel between major cities.