Supaul is located in Patna city, India at the 26.115, 86.5953 coordinates. Distance from Supaul to other cities. are listed below, click on the city name to find distance between. Distance from Supaul to Gaya 217 km, to Bhagalpur 104 km, to Muzaffarpur 120 km. The green marker indicates the location of Supaul.