Article Detail Which is Longest national highway of India ? Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km) Similar Questions : 1. What is the name of tallest Animal ? Answer: Giraffe 2. Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). 3. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 4. Which is the biggest museum in the world ? Answer: British Museum, London 5. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 6. What is the name of tallest Animal ? Answer: Giraffe 7. Which is largest continent ? Answer: Asia Read more from - Longest and Largest