The bus service from London, England to Calcutta, India (now Kolkata) is considered to be the longest bus route in the world. The service, which was started in 1957, was routed to India via Belgium, Yugoslavia and West Pakistan. This route is also known as the Hippie Route. According to the reports, it took about 50 days for the bus to reach Calcutta from London. The voyage was 32669 km (20300 miles) long. It was in service until 1976. The cost of the trip was £85. This amount includes food, travel and accommodation.
The bus service was operated by Albert Travel. The maiden travel began in London on April 15, 1957. The first service ended on June 5 in Kolkata. That is, it takes about 50 days to complete the journey. The countries the bus traveled during its journey: from England to Belgium, and from there to India via West Germany, Austria, Yugoslavia, Bulgaria, Turkey, Iran, Afghanistan, and West Pakistan. After entering India, it eventually reached Calcutta via New Delhi, Agra, Allahabad and Banaras.
The trip was equipped with reading facilities, separate sleeping bunks for everyone, and fan-operated heaters. There was a kitchen with all equipment and amenities. There was a forward observation lounge on the upper deck of the bus. The trip was more like a tour than just a trip. The bus provided radio and music system for parties. It had time to spend at major tourist destinations along the way, including Banaras and the Taj Mahal on the banks of the Ganges. Shopping was also allowed in Tehran, Salzburg, Kabul, Istanbul and Vienna.