Driving distance from Fayetteville, AR to Fort Smith, AR. The total driving distance from Fayetteville, AR to Fort Smith, AR is 58 miles or 93 kilometers. Your trip begins in Fayetteville, Arkansas. It ends in Fort Smith, Arkansas. If you are planning a road trip, you might also want to calculate the total driving time from Fayetteville, AR to Fort Smith, AR so you can see when you'll arrive at your destination.