A bit less, by tonnage per annum.
In a typical year, (USofA) freight railroads haul around 1.6 billion tons of raw materials and finished goods. Redesigned railcars have helped increase average tonnage. In 2022, the average freight train carried 4,089 tons, up from 2,923 tons in 2000.
https://www.aar.org/data-center/ According to official statistics data, as of October 2023, the overall traffic (in Russian rail freight) amounted to 1 billion 243.8 million tons
https://www.railfreight.com/railfreight/2023/10/31/russian-r...Smaller, by total track length:
The total length of line used by the Russian Railways is, at 85,500 kilometres (53,130 mi), one of the largest in the world, exceeded only by the United States.
https://en.wikipedia.org/wiki/History_of_rail_transport_in_R...The arc of Russia across the globe is likely what "wins" on east | west extent, but less total track carrying less tonnage.