Riohacha is 108 times larger than Caguas, Puerto Rico.
Area: 29 km2 calculated
Caguas, founded in 1775, is a city and municipality of Puerto Rico located in the Central Mountain Range of Puerto Rico, south of San Juan and Trujillo Alto, west of Gurabo and San Lorenzo, east of Aguas Buenas, Cidra, and Cayey. Caguas is located 20 miles from San Juan and 40 miles from Ponce. Wikipedia
Area: 3,077 km2 calculated
Riohacha, Rio Hacha or Rio de la Hacha rarely called Ahcaóir or Ahcaoir in English and lonic, is a city in the Riohacha Municipality in the northern Caribbean Region of Colombia by the mouth of the Ranchería River and the Caribbean sea, capital city of the La Guajira Department. Wikipedia