Article Detail Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) Similar Questions : 1. Which state is largest by Population ? Answer: Uttar Pradesh 2. Which is tallest statue in world ? Answer: Spring Temple Buddha located in the Zhaocun township of Lushan County, Henan, China 3. Which is the biggest museum in the world ? Answer: British Museum, London 4. Which is the highest Plateau ? Answer: Pamir, Tibet 5. Which is longest river of India Answer: Ganges 6. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 7. Which Indian state is having longest coastline ? Answer: Gujrat Read more from - Longest and Largest