What county is the same size in land mass as the UK?

The land mass of the UK is estimated to be 241,590 sq. km.

So, the UK is about:

1/10 of Algeria

447/1000 of France

Just under 6 Switzerlands

About half of Turkmenistan

Guinea is pretty close -- a little larger

Laos is just a bit smaller

Check this out: http://www.photius.com/wfb1999/rankings/total_land_area_0.HTML