Paro is the only International operational airport in Bhutan and it is connected by Druk Air & Bhutan Airlines. Druk Air is the national carrier of Bhutan, which operates flights Indian cities of New Delhi, Kolkata, Mumbai, Gaya, Bagdogra & Guwahati all these Indian cities are conveniently connected with Domestic Indian Carriers with almost all parts of India. Bhutan Airlines operates regularly from Kolkata only.
Bhutan is conveniently connected to India by surface through its south western border town of Phuentsholing and the nearest Indian towns from this border town of Phuentsholing are Hasimara, Alipurdwar, Jalpaiguri & Siliguri. Bhutan is also connected to India by surface through its South Eastern Border of Samdrup Jonkar, and the nearest Indian city from this town of Samdrup Jonkar is Guwahati.
Though Bhutan does not have any rail link but it is conveniently connected by the Indian Railway to the nearest border city of New Jalpaiguri (Siliguri), Hasimara, Alipurdwar, & Guwahati they are well connected to the all major cities of India