The country with the most extensive rail network in the world is Russia. Spanning over 87,000 kilometers, the Russian rail system is crucial for transportation, connecting remote regions with major urban centers. The well-known Trans-Siberian Railway is one of the most famous rail routes, offering a scenic journey across the vast expanse of the country. This network plays a vital role in the economy, facilitating trade, tourism, and the movement of goods and people across vast distances.