Chilancho:

The narrow paths and the location of Chilancho makes the big four wheeler impossible to reach here. However, there are various mediums to reach Chilancho:

1) By Foot:
One can reach Chilancho by foot from various directions. The following google map direction link will guide you to reach the Chilancho Stupa with the shortest route wherever you are:
https://goo.gl/maps/Gx4fVaVTNBrUCTyAA

2) By 2-wheeler:
The easiest route from the 2-wheeler would be:
From Kirtipur Gate:
Kirtipur Gate – Loktantrik Chowk – Mangal School – Chithu – Tanani – Chilancho
Kirtipur Gate – Loktantrik Chowk – Mangal School – Chithu – Lhoo Dega – Chilancho