How to come from the Dojo in Copenhagen to the Hostel in Store Heddinge.
Walk from Dojo to Vesterport train station (you could also go to Nørreport, but its more difficult to find the place to buy tickets there because they are rebuilding the trainstation)
Buy train tickets for "Store Heddinge" :
A single adult one-way ticket cost 73 DKR - if more people are traveling together its better to buy a multi-ride ticket with ten clips (rides) it costs 540 DKR - half price for Children (12-15, 2 children can also go on one clip on the adult card.
You can see the Schedule for train here http://tinyurl.com/cph-hostel - this is from the dojo in Copenhagen to all the way to the Hostel (you can change the time if you like, the site is in English and German).
Here is a short outline of the trip
Walk from dojo to Vesterport
Train from Vesterport: 10:01 (The A-train towards Køge st. - drives every 20 min) it arrives at Køge 10:50
At 10:57 you take the take "Lokalbane 210" (small local train - drives every 60 min) from Køge st, towards Rødvig st
Get off the train at "Store Heddinge st" 11:23
Walk from Station to Hostel (apx. 10 min)
Se map here: