Enter into Bhutan by road from these entry points which are Phuentsholing (Chhukha District), Gelephu (Sarpang District) and Samdrup Jongkhar where these places are situated in south bordering with Indian states of West Bengal and Assam respectively. The last point flights near Bhutan can availed till the Indian National Airport of Bagdora, West Bengal and Guwahati, Assam. Travelling from Phuentsholing to the capital city of Bhutan, Thimphu is approximately 6 hours drive from plain to uphill through rambling roads. Journeying from Gelephu Town to Thimphu will take approximately 8 hours of your time where you will be travelling the distance of around 280 Kms. The last entry point port of Bhutan is Samdrup Jongkhar which is located in the east, and it is 150 Km away from Guwahati, Assam. To reach Thimphu from here, you need to travel the distance of about 700 Kms and it normally takes 3 days to reach the capital city where you pass via five districts of Eastern and central Bhutan. The roads usually range from sub-tropical plain and foothills to sub-alpine mountains through winding roads of Himalayas.
Travelling by air, is the only alternative to road after the formal start of Air Transport in the Country. Drukair was the only National Air Transport operating in Paro District, Bhutan which is the only International Airport of Bhutan. In 2013 year-end, Tashi Air Pvt. Ltd. trading as Bhutan Airlines broke the monopoly of Air Transport Service and became the first private airline to operate within the country and abroad. Currently, there are three domestic airports in Bumthang, Gelephu and Trashigang connecting western part with central and eastern Bhutan.