Not quite the USSR, but the UK and I drove from Germany. What is beautiful about this drive is that you realise just how close everything in Europe is. Driving through Belgium you see signs for Frankfurt, Amsterdam, Paris and Luxemburg.
I don’t write much at the moment because cycling related I am not really doing a huge amount, to my shame. I have other priorities in the UK with a house to decorate, so my biking fix isn’t happening as much as it should