Siwan to Dehradun Distance

The road distance between Siwan and Dehradun is approximately 950+ km, and the drive usually takes around 18 hours by car or taxi, depending on traffic and road conditions. If you're travelling by air, Jolly Grant Airport is located in Dehradun. Flying is the fastest way to reach Dehradun, with a total travel time of approximately 7 hours. If you're planning a road trip, check weather and traffic updates before your journey, as monsoon showers or winter snowfall in hilly regions can increase travel time.