When going between the airports and Herning, there are several possibilities.
A shuttlebus runs between Herning and the international airport in Billund. Find schedule and prices at goshuttle.dk
Midtjyllands Airport (Karup)
It is possible to order a shuttle-taxi, which takes you to the airport for a fixed, reduced price. More information at midtjyllandslufthavn.dk
It is also possible to use public transportation to get to and from the airports. Please visit www.rejseplanen.dk, enter your place of departure, destiantion and time of the travel, and the site will prodivde information on what public transportation is available. Rejseplanen can also be found as an app, via. App Store and Google Play