10,000 kilometers -or- 6,200 miles (at its longest point)
Russia is on the East of Ukraine.
Western Russia.
West.
There are approximately 14,000 miles between Russia's east and west borders.
The United States is about 2,680 miles wide from east to west.
east
Iceland, Finland, Russia.
Australia is approximately 2,500 miles (4,000 kilometers) wide from east to west.
The Transiberia
The Bering Strait.
4850km
99