Liberia is 433 times larger than Amarillo, Texas.
Area: 111,369 km2 World Factbook
Population: 4,092,310 (July 2014) World Factbook
Liberia, officially the Republic of Liberia, is a country in West Africa bordered by Sierra Leone to its west, Guinea to its north and Ivory Coast to its east. It covers an area of 111,369 square kilometres and is home to about 4 million people. Wikipedia
Area: 257 km2 calculated
Amarillo is the fourteenth most populous city in the state of Texas, also the largest City in the Texas Panhandle, and the seat of Potter County. A portion of the city extends into Randall County. The population was 190,695 at the 2010 census. Wikipedia