I don’t know the flight path, but it may be easier to cross the ocean going West from Moscow or St Petersburg than going over Siberia with the wild fires and volcanic activity in Vladistock area?

Edit: Context https://www.cbsnews.com/news/krasheninnikov-volcano-russia-erupts/

https://www.cnn.com/2025/05/14/europe/russia-wildfires-rage-siberia-region-intl-latam

And yes the wildfires from May are still not under control.