If you live in europe I recommend this app: https://play.google.com/store/apps/details?id=org.bikecityguide https://play.google.com/store/apps/details?id=org.b

If you live in europe I recommend this app: https://play.google.com/store/apps/details?id=org.bikecityguide https://play.google.com/store/apps/details?id=org.bikecitygu... https://itunes.apple.com/at/app/bikecityguide/id517332958 https://itunes.apple.com/at/app/bikecityguide/id517332958 It's a navigation system specially designed for bikes, it takes into account how flat is the rout among many another things like bicycle lanes, speed and safety, it's really quite cool. Disclaimer:I work for them!