Both
Spain is 505,992 km²
The square mile is the larger of the two measures. 1 square mile is 2.589988 square kilometers. 1 square kilometer is 0.3861022 square miles.
Sampson County's total area is 947 square miles (2,453 square kilometers).
There are 6,592,848.8 square miles in 17,075,400 square kilometers. 17,075,400 square kilometers x 1 square mile/2.58998811 square kilometers = 6,592,848.8 square miles 1 square miles = 2.58998811 square kilometers
Square miles x 2.59 = square kilometers
Aruba is about 21 miles [33 kilometers] long. Its width ranges from about 2 miles [3.2 kilometers] to 8 miles [12.8 kilometers]. Its total area is 74.5 square miles [193 square kilometers]. For comparison, it's slightly larger than Washington, D.C. [68.3 square miles; 177 square kilometers].
About 3,515 square miles.
2,973,190 square kilometers = 1,147,955.1 square miles.
28000 square kilometers is equivalent to approximately 10808.72 square miles.
5103 square miles = 13,216.71 square kilometers.
Nicaragua's consists of 50,446 square miles (130,688 square kilometers). This is made up of 46,430 square miles (120,254 square kilometers) of land and 3,568 square miles (9,240 square kilometers) of water.
Antarctica is a continent of approximately 5.4 million square miles.