It means exactly the same thing as "The road is long, the journey is strange." By changing the word order, the writer does two things. First, he is conveying a sense of literary or poetic style, by using a different word order than we would use in everyday speech. Second, he is putting some emphasis on "longness" and "strangeness" by saying those words first. By the way, I don't know if this is a quotation, but in poetry and song lyrics, one reason for changing the most natural and common word order is to fit the meter (rhythm) and the rhyme pattern. For example, if you had first written line A below, you might use the word order of line B in order to fit with line A: A) Nothing is wrong, it is just that things change; B) The road is long, the journey is strange.

This makes me think of a comparison to life. 'Long is the road', meaning that life takes a long time. 'Strange is the journey', meaning that sometimes things happen that we cannot explain.

Thank you for your respond and interest. =)