El Paso, Texas is 2.4 times larger than Abilene, 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: 701 km2 calculated
El Paso is the county seat of El Paso County, Texas, United States, and lies in far West Texas. As of July 1, 2013, the population estimate from the U.S. Census was 674,433, making it the 19th most populous city in the United States. Its U.S. Wikipedia