Europe is 405 times larger than Maryland (USA).
Area: 25,142 km2 US Census
Population: 5,928,814 (July 2013) US Census
Maryland is a state located in the Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and Washington, D.C. to its south and west; Pennsylvania to its north; and Delaware to its east. Wikipedia
Area: 10,180,000 km2 DESA
Population: 738,199,000 (2012) DESA
Europe is, by convention, one of the world's seven continents. Wikipedia