Smith estimated the road distance from Yudam-ni west to Mupyong-ni, over another mountain pass and then through a narrow valley, as being 55 miles.

• 史密斯估算了一下柳潭里以西到武坪里的路程，大约有55英里，其中需要翻越另一个山口进入狭窄的山谷行军。