* Colorado Springs: Colorado Springs is the second most populous city in Colorado. It is located on the eastern edge of the Rocky Mountains, about 70 miles south of Denver. Colorado Springs is home to the United States Air Force Academy and the North American Aerospace Defense Command (NORAD).
* Aurora: Aurora is the third most populous city in Colorado. It is located just east of Denver. Aurora is a rapidly growing city that is home to a diverse population.
* Fort Collins: Fort Collins is the fourth most populous city in Colorado. It is located in the northern part of the state, about 60 miles north of Denver. Fort Collins is home to Colorado State University.
* Boulder: Boulder is the fifth most populous city in Colorado. It is located in the foothills of the Rocky Mountains, about 25 miles northwest of Denver. Boulder is a popular tourist destination known for its natural beauty, outdoor recreation, and liberal political culture.
* Pueblo: Pueblo is the sixth most populous city in Colorado. It is located in the southern part of the state, about 110 miles south of Denver. Pueblo is a major steel-producing center.
* Grand Junction: Grand Junction is the seventh most populous city in Colorado. It is located in the western part of the state, about 250 miles west of Denver. Grand Junction is a major agricultural center and is known for its mild climate and beautiful scenery.
* Greeley: Greeley is the eighth most populous city in Colorado. It is located in the northern part of the state, about 50 miles north of Denver. Greeley is a major agricultural center and is home to the University of Northern Colorado.
* Longmont: Longmont is the ninth most populous city in Colorado. It is located in the northern part of the state, about 30 miles north of Denver. Longmont is a rapidly growing city that is home to a diverse population.
* Loveland: Loveland is the tenth most populous city in Colorado. It is located in the northern part of the state, about 50 miles north of Denver. Loveland is a popular tourist destination known for its art galleries, museums, and beautiful scenery.