One-way - An one-way route doesn't finish at your starting point, but a new destination.
There are great things offered in this route both in terms of landscapes and sceneries.However, it might not be possible to avoid cycling in traffic conditions and / or through dull surroundings.
Cyclists who would like to enjoy a nice ride without putting themselves into any stress, mainly due to health issues or other restrictions.
Circle - A circle route starts and finishes at the same place.
This is an ultimately scenic route that combines all positive aspects of cycling. These are low traffic conditions, superb sceneries and strong cultural elements.
Cyclists who ride systematically and are looking for a challenge.