Albuquerque, New Mexico is 3.6 times larger than Fort Collins, Colorado.
Area: 501 km2 calculated
Albuquerque is the most populous city in the U.S. state of New Mexico. It is the county seat of Bernalillo County, and it is situated in the central part of the state, straddling the Rio Grande. Wikipedia
Area: 138 km2 calculated
Fort Collins is a Home Rule Municipality in and the county seat of Larimer County, Colorado, United States. Situated on the Cache La Poudre River along the Colorado Front Range, Fort Collins is located 65 miles north of the Colorado State Capitol in Denver. Wikipedia