The journey from Islampur to Supaul covers about 230 km. You will travel via NH 27, which is the main highway. Supaul is located in the Kosi region of Bihar and is known for its agricultural landscape. The route is well-connected by road, and you can reach Supaul in about 5 hours 30 minutes. It is a straightforward drive through the plains of Bihar.
Total Distance: 230 km by road, 200 km straight-line.
The road is generally good, but watch for local traffic.
October to March for pleasant weather.