[size= medium]Curious about the [/size]<strong style="font-size: medium;" data-start="1274" data-end="1377">longest direct flight in the world[size= medium]? Singapore Airlines&rsquo; New York to Singapore route tops the list, flying non-stop for 9,537 miles in nearly 19 hours. Other ultra-long-haul flights include London to Perth, Bengaluru to San Francisco, and Atlanta to Johannesburg, operated by airlines like Qantas, Emirates, Delta, and Air India. This guide details flight durations, aircraft types, and airline services, helping passengers plan rest, meals, and entertainment for these lengthy journeys. Travelers can make informed decisions about seat selection, layovers, and preparation for long flights, ensuring a smooth and comfortable experience on some of the world&rsquo;s most extended non-stop air routes.[/size]