Article Detail Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) Similar Questions : 1. Which is the longest River in the World ? Answer: Nile 2. Which is the largest Mosque in World ? Answer: Masjid al Haram (Saudi Arabia) 3. Which is longest river in world ? Answer: Nile, Africa 4. Which is the deepest lake of the world ? Answer: Lake Baikal 5. Which is Highest Gallantry Award in India ? Answer: Paramveer Chakra 6. Which is the state largest by area in India ? Answer: Rajasthan 7. What is the name of tallest Animal ? Answer: Giraffe Read more from - Longest and Largest