The main roads entering the country are through Phuentsholing in the south, linking Bhutan with the Indian plains of West Bengal, through the border towns of Gelephu, in the central region and Samdrup Jongkhar, in the east, that link with the Indian state of Assam.
All visitors to Bhutan require a visa to enter the country (see visa under visa, cost and pricing) Visa clearance must be obtained before coming to Bhutan and travel must be booked through a Bhutanese tour operator or international partner. Indian, Bangladeshis and Maldivian nationals can receive a visa on entry; a tour operator can make arrangements for travel. In the case of Indian nationals a passport or voters card are acceptable on entry.
Travel By Air
Druk Air, the national carrier flies to the destination that includes Bangkok, Singapore, Kolkata, Delhi, Dhaka, Bodh Gaya, Kathmandu and Gawahati in Assam, India.
For complete flight schedules and other related flight information go to the Druk Air website: www.drukair.com.bt.
Tashi Air is the private airline and it operates daily flights from Bangkok, with plans of expansion on other routes.
Travel By Land
You can also enter Bhutan by land via the border town of Phuntsholing, Gelephu and samdrup Jongkhar. The town of Phuntsholing is located in southern Bhutan, which shares borders with India. Bagdora the nearest Indian airport to Bhutan is 3-4 hr drive to Phuentsholing. It is another 5-6 hrs to get to Paro and Thimphu by road from Phuentsholing.
The town of gelephu is located in south central Bhutan, which also shares borders with India. It is about ten hours journey to Thimphu from Gelephu.