Europe covers an area of about 10 million square kilometers (approximately 3.9 million square miles), making it the second smallest continent by land area after Australia. This area accounts for roughly 2% of the Earth's surface and about 6.8% of the Earth's total land area. Key points about Europe's size:

• Total geographical area is approximately 10,000,000 square kilometers (about 3,866,000 to 3,933,000 square miles).
• Russia, the largest country partially in Europe, accounts for around 3.95 million square kilometers of this total.
• Europe is slightly larger than the United States by about 104,480 square kilometers (40,340 square miles).

This size makes Europe fairly compact compared to other continents but densely populated and culturally diverse.