 Three general aviation airports serve the Denver area . Rocky Mountain Metropolitan Airport ( KBJC ) is 13 @.@ 7 miles ( 22 km ) north @-@ northwest , Centennial Airport ( KAPA ) is 13 @.@ 7 miles ( 22 km ) south @-@ southeast , and Front Range Airport ( KFTG ) is located 23 @.@ 7 miles ( 38 km ) east of the state capitol . 
