Russia is the largest country in the world by some distance, covering an area of 17,098,242 km². It spans 11 time zones with a time difference of up to 10 hours across the country. Russia shares land borders with 14 different countries. Russia also has the longest Arctic Ocean coastline in the world. Its also borders many of the Artic Ocean's seas including the Baltic Sea, Black Sea, Caspian Sea, and the Sea of Azov.
The second largest country in the world is Canada with an area of 9,984,670 km². Its western coastline borders the Pacific Ocean and in the east it meets the Atlantic Ocean. Its northernmost tip is Ellesmere Island and the country extends all the way down to Point Pelee. Canada is bordered by the United States to the south and west (Alaska), making it one the only countries in North America to share a land border with only one other nation. The other is Mexico.
In 3rd place is China, with an area of 9,706,961 km², a vast country with some of the most diverse ecosystems on the planet. It borders 14 countries including – India, Afghanistan, Pakistan, Tajikistan, Kyrgyzstan, Kazakhstan, Mongolia, North Korea, Russia, Laos, Burma, Vietnam and Nepal. It borders the Pacific Ocean and its seas to its South and East including the aptly named South China and the East China seas.
#4 United States
The 4th largest country in the world is the United States which encompasses and area of 9,372,610 km². Despite its size, it only shares land borders with two countries; Canada to the north and Mexico to the south, as well as sharing maritime boundaries with Russia and Cuba across the Bering and Carribean seas. The USA also covers a few island territories in the Pacific and Caribbean.
Brazil is the 5th largest country in the world, with an area of 8,515,767 km². It has over 7,500 kilometers of coastline along the Atlantic Ocean and shares land borders with 9 South American countries including Venezuela, Colombia, Uruguay, Argentina, Peru, Guyana, Suriname, Bolivia and Paraguay. The Amazon River flows through Brazil and into the Atlantic Ocean through the Amazon rainforest. Rainforest covers over 45% of Brazil's land area!
Coming in at 6th place is Australia, with an area of 7,692,024 km². It has the longest coastline in the world and is bordered by the Timor and Arafura Sea in the north, Coral Sea to the east. As an island nation, Australia has no land borders but does share maritime boundaries with Indonesia, New Zealand and Papua New Guinea.
India is the 7th largest country in the world, with an area of 3,287,590 km². It shares land borders with Bangladesh, Bhutan, China, Nepal and Pakistan as well a maritime border with Sri Lanka in the Indian Ocean. India’s extensive coastline stretches over 7000 kilometers making it one of the longest in the world.
The 8th largest country in the world is Argentina, with an area of 2,780,400 km². It is bordered by both Chile and Bolivia to the west as well as Brazil and Paraguay to the north. In the east, its border follows the Atlantic Ocean coastline.
Kazakhstan is 9th on the list, with an area of 2,724,900 km². It is also the largest landlocked country in the world. It has borders with Russia in the north, as well as borders with Uzbekistan, Turkmenistan, Kyrgyzstan and China. The country does have a coastline with the Caspian Sea but no ocean borders.
The 10th largest country in the world is Algeria, with an area of 2,381,741 km². It is bordered by Tunisia to the northeast, the country also shares borders with Libya and Morocco. Its coastline extends over 1,100 kilometers along the northern edge of Africa bordering the Mediterranean Sea.