Harnett County Economic Development Harnett County combines rural beauty with proximity to urban areas to provide an optimal business climate for business and industry. Harnett County is located within an hour of North Carolina’s capital city of Raleigh, the globally recognized Research Triangle Park and the US Army’s largest installment, Fort Bragg. Affordable land served by excellent infrastructure, moderate tax rates, reasonably-priced property and an available workforce are some of the finer attributes the county brings to the table. Harnett County offers access to regional and national markets via Interstate 95, Interstate 40, U.S. 421 and U.S. 401. Raleigh-Durham International Airport is less than forty-five minutes away, and Fayetteville Regional Airport is less than 30 minutes away. Harnett Regional Jetport (HRJ) is located in the center of the county and has an asphalt runway of 6,000 feet. The county is also served by two rail providers, Norfolk Southern Railroad and CSX Transportation.