The United States is the third largest country in the world in size, at nearly 10,000,000 square kilometers, and is the third largest in population, with nearly 319 million people. The USA is bordered by the Pacific Ocean to the west, the Atlantic Ocean to the east, Canada to the north and Mexico to the south.
The width of the continental United States is 4,313 kilometers, but traveling from the East Coast to the West Coast can be lesser or greater, depending on the route traveled. If you’re yearning for a cross-country adventure, there are 75,439 kilometers of interstate highway ready for your journey. For more on road trips in the USA.
The U.S. dollar is the official currency of the United States of America. You can exchange your money in your home country, exchange money at the airport or other locations around the USA, such as banks. It is not recommended to travel with large sums of cash.
