Duisburg to Ulm, Baden-Württemberg Train

<p>FlixBus, a long-distance bus company, operates in both Europe and the United States. Founded in 2013, it has grown to become one of the largest bus operators in Europe, connecting over 2,500 destinations in 30 countries. Originating in Germany, FlixBus has expanded quickly to neighboring countries including France, Italy, Denmark, the Netherlands, and Croatia, while also offering regular services to Norway, Spain, and England. With affordable fares and comfortable amenities such as free Wi-Fi, power outlets, and onboard toilets, FlixBus provides a convenient and enjoyable travel experience.</p> <p>You have the option to choose your preferred seat on Flixbus, with various categories designed to suit your specific needs.</p> <ul> <li>Classic: Choose your seat with no additional perks.</li> <li>Panorama: Sit in the first row and enjoy the most scenic views.</li> <li>Front: Travel quietly in the front section of the bus, starting from the 2nd row.</li> <li>Table: Enjoy more space and comfort with a convenient table in front of you.</li> <li>Comfort: Get extra legroom for a more relaxing journey.</li> <li>Extra: Reserve your seat and the one next to you for more personal space.</li> <li>Single: Enjoy the comfort of having no one seated next to you.</li> <li>Semi-bed: Relax with a seat that reclines almost flat, perfect for resting.</li> <li>Bed: Experience maximum comfort with a fully flat reclining seat, ideal for longer trips.</li> </ul>

Flixtrain is a European low-cost passenger rail service that offers affordable and comfortable train travel to various destinations across Germany. It is owned and operated by FlixMobility, the parent company of FlixBus, which is a popular bus transportation service in Europe. Flixtrain operates on several routes, including Berlin to Stuttgart, Berlin to Cologne, and Hamburg to Cologne, among others.

<p>National Express is a British multinational public transport company that operates bus, and rail services in the UK, Europe, North Africa, and North America. The company was founded in 1972 and has its headquarters in Birmingham, UK. National Express operates a fleet of over 1,600 buses, serving over 900 destinations across the UK. The company also operates rail services in the UK, including the East Anglia franchise.</p> <p>Here&rsquo;s a quick guide to the fare options available for National Express one-way, return, or open return journeys to help you choose the best fit.</p> <ul> <li>Restricted: Non-refundable and non-exchangeable. Valid only for the booked journey. Best suited for fixed travel plans.</li> <li>Standard: Non-refundable but exchangeable for a &pound;5 fee up to an hour before departure. Ideal if you need some flexibility.</li> <li>Fully-Flexible: Refundable and amendable for a fee up to 72 hours before departure. Perfect for those who require maximum flexibility.</li> </ul>

Regional Express (Rex) is an Australian airline that operates scheduled regional flights to over 60 destinations across Australia. The airline was founded in 2002 and has its headquarters in Mascot, New South Wales. Rex operates a fleet of over 60 aircraft, including Saab 340 turboprops and Boeing 737-800NG jets. The airline's main focus is on providing affordable air travel to regional communities, with a strong emphasis on safety, reliability, and customer service. Rex also offers a frequent flyer program, Rex Business Flyer, and has partnerships with other airlines such as Qantas and Virgin Australia.

While not as swift as the high-speed ICE trains, Deutsche Bahn’s InterCity trains boast speeds up to 200km/h, offering spacious carriages and dining options. Operating across numerous German routes, such as Cologne-Hamburg, these trains also extend to international destinations, including Amsterdam and Luxembourg. Some routes even feature double-deck trains.