Just seen on the Daily Mail about the route from Yiwu to Madrid 16,000 miles round trip, which took 4 months to complete the return journey.
http://www.dailymail.co.uk/travel/trave ... paign=1490
After setting out over four months ago, the first cargo train to travel on the longest rail route in the world has returned home.
On November 18, the train departed Yiwu in eastern China, a major wholesale centre for small consumer goods, and passed through Kazakhstan, Russia, Belarus, Poland, Germany, France and finally Spain.
The entire round-trip is approximately 16,000 miles on the new Yixin'ou cargo line, which ends in the Spanish capital Madrid.

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