The undisputed king of distance is the Airbus A350-900 ULR, with a range of 9,700 nautical miles (11,162 miles), meaning that it can travel to most destinations in the world on a single fill up. It’s capable of more than 20 hours of non-stop flying, according to Airbus. It is, as of April 2024, the longest range commercial aircraft bar none. As the name suggests, it is able to carry up to 350 passengers in a normal configuration. However, it can reportedly be outfitted to carry 440 passengers, although the extra weight of 90 extra passengers and luggage would likely have a detriment on range.
It’s powered by a pair of ultra-efficient Rolls-Royce Trent XWB engines that were designed with the A350 in mind, allowing for a more cohesive design to benefit fuel economy. For fuel capacity, it’s capable of carrying 43,981 gallons to take it the distance.