Kenai, Alaska. Kenai is 160 miles south of Anchorage and is easily by either it's 2.5 hour scenic highway journey for drivers or a short 20 minute airline flight with Era Aviation to our Kenai Municipal Airport for air travelers. The highway journey is memorable in both its breathtaking beauty and wildlife viewing. Much of your highway experience will be spent on the Seward Highway, which is an official All-American Scenic Byway.