If you want to hike the Appalachian Trail with no worries about blisters on your feet, inclement weather or dwindling supplies, then go the distance virtually.

With the app, Walk The Distance, you can walk the entire 2,200-mile trail from Springer Mountain in Georgia to Mount Katahdin in Maine. The app tracks your steps and measures how far you would have walked on the trail.

Free walks are available in various categories including the Appalachian Trail, marathons, cities and national parks. Other walks can be purchased for $0.99.