A place in Switzerland, Dübendorf is an interesting place to visit, given its unique culture, history and character. The nearest major city to Dübendorf is Zurich. Zurich is bestowed with interesting set of attractions like Lindenhof, Old Town, Lake Promenade. Also, to reach Dübendorf, you'll have to take a flight to Zurich; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Dübendorf.
Don't just take a trip, let the trip take you! Have a enjoyable time at Dübendorf.