The 4-star Mercure Hotel Bonn Hardtberg is located in a quiet suburb of the former capital, just a few miles outside the city center. All 142 comfy rooms come with WIFI and the 8 air-conditioned meeting rooms at our CBH-certified hotel are perfect for events of up to 250 people. The hotel is located 3. 7 miles (6 km) from the main train station, and Cologne/Bonn and Düsseldorf airports are 18. 6 miles (30 km) and 49. 7 miles (80 km) away respectively. By car, take the A565 highway. Free parking is available.