Article Detail Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) Similar Questions : 1. Which is Highest Gallantry Award in India ? Answer: Paramveer Chakra 2. What is the name of tallest Animal ? Answer: Giraffe 3. Which is the largest desert in India ? Answer: Thar (Rajasthan) 4. Which is the largest Mosque in India ? Answer: Jama Masjid (Delhi) 5. Which is Longest road tunnel in the World ? Answer: Lærdal Tunnel (Norway - 24.51 kilometre) 6. Which is largest Dam in World ? Answer: Three Gorges (China) 7. Which is smallest state by area of India ? Answer: Goa Read more from - Longest and Largest