Article Detail Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) Similar Questions : 1. Which is Longest road tunnel in the World ? Answer: Lærdal Tunnel (Norway - 24.51 kilometre) 2. What is the name of tallest Animal ? Answer: Giraffe 3. Which is longest river in world ? Answer: Nile, Africa 4. Where is largest Archipelago ? Answer: Indonesia 5. What is the name of tallest Animal ? Answer: Giraffe 6. Which is the largest sea in the world ? Answer: Philippine Sea 7. Which is tallest statue in world ? Answer: Spring Temple Buddha located in the Zhaocun township of Lushan County, Henan, China Read more from - Longest and Largest