Abilene, Texas is 12% larger than Amarillo, Texas.
Area: 289 km2 calculated
Abilene is a city in Taylor and Jones counties in west central Texas. The population was 117,063 according to the 2010 census making it the twenty-seventh most populous city in the state of Texas. 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