The stations are ordered geographically from east to west as follows:
- Chita: The easternmost station, located in Eastern Siberia.
- Angarsk: Situated west of Chita, in Siberia.
- Omsk: Located further west in Southwestern Siberia.
- Moscow: The westernmost station, situated in western Russia.
The resulting sequence from east to west is:
This corresponds to the order: (C), (D), (B), (A).