A place in , Khumjung is an interesting place to visit, given its unique culture, history and character. The nearest major city to Khumjung is Kathmandu. Add Kathmandu to your vacation plan, it has an interesting bunch of activities to do on your visit like Bodnath Stupa, Swayambhunath Temple, Thamel. Also, to reach Khumjung, you'll have to take a flight to Kathmandu; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Popular vacation packages of Khumjung are of 1-2 days.
Don't just take a trip, let the trip take you! Have a enjoyable time at Khumjung.