Passage: Belarus lies between latitudes 51° and 57° N, and longitudes 23° and 33° E. Its extension from north to south is 560 km (350 mi), from west to east is 650 km (400 mi). It is landlocked, relatively flat, and contains large tracts of marshy land. About 40% of Belarus is covered by forests.Many streams and 11,000 lakes are found in Belarus. Three major rivers run through the country: the Neman, the Pripyat, and the Dnieper. The Neman flows westward towards the Baltic sea and the Pripyat flows eastward to the Dnieper; the Dnieper flows southward towards the Black Sea.

Question: What is the distance of Belarus from west to east in miles?
400