Hello how may I help you? Can you help me find some records? I can help with that, what would you like to know? I want to know what the longest thing in the world is. Hm, can you be more specific? I just want to know the longest objects in the world That request is too vague, can you specify a specific object? Maybe the longest a manmade thing ever. The longest man made structure is the Great Wall of China at 5,500 miles long. Thanks so much for that. No problem, hope that was helpful.