Other parts of the US compare somewhat in size with the rest of the territories in the UK. Wales takes up 8,018 square miles, and New Jersey is the closest state in size at 7,354 square miles. Scotland has a land size of 30,415 square miles while South Carolina comes closest at 30,060 square miles. Northern Ireland has 5,452 square miles, and Connecticut, America's third-smallest state, is closest with a land size of 4,842 square miles.