Article Detail Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). Similar Questions : 1. Which is the Highest mountain peak ? Answer: Mount Everest (8,850 m) 2. Which is the Densest populated State of India ? Answer: West Bengal 3. Which is the largest Zoo in the World ? Answer: Berlin Zoological Garden (Germany) 4. Which is Highest Gallantry Award in India ? Answer: Paramveer Chakra 5. Which is largest continent ? Answer: Asia 6. Which is smallest planet ? Answer: Mercury 7. Which is the longest day in the year ? Answer: June 21 Read more from - Longest and Largest