Article Detail Which is the largest Mosque in World ? Answer: Masjid al Haram (Saudi Arabia) Similar Questions : 1. Which Indian state is having longest coastline ? Answer: Gujrat 2. Which is the longest wall in world ? Answer: Great wall of China 3. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 4. Which is longest river in world ? Answer: Nile, Africa 5. Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. 6. Which is biggest planet ? Answer: Jupiter 7. Which is the highest dam in India ? Answer: Tehri Dam on Bhagirathi River in Uttarakhand (Height of 260 metres) Read more from - Longest and Largest