An Indian tour company is launching the 'world's longest bus trip' that travels to 22 countries over 56 days. A ticket costs $24,350.
- India-based Adventures Overland's 56-day bus trip from Istanbul to London will depart in early August.
- Along the way, travelers will pass through 22 countries and nearly 7,460 miles.
- Half of the seats — each costing $24,350 — are already booked, the company's founder told Insider.
If you weren't able to scratch your road trip itch in 2020, now's your chance.