This information about transportation options in Unna might help your romantic getaway go off without a hitch: The closest major airport is Dortmund (DTM), located 3.5 mi (5.7 km) from the city center. You can take advantage of metro transit at Unna West S-Bahn, Königsborn S-Bahn, and Massen S-Bahn. If you want to see more of the area, ride aboard a train from Unna Station, Lünern Station, or Hemmerde Station.