Overland Bus

India is all set to provide the longest bus service from Delhi to London. The services are likely to begin from September. The trip will cost 15 lakh, covering 20,000 km, in 70 days via 18 countries and will have 20 seats. "It will include all the services: tickets, visas, and lodging in various countries," the official added. Notably, from Kolkata to London first bus service was introduced in 1957.