Moscow has a greater population than Moscow Oblast (10,470,318 compared to 6,618,538).
250 miles
About eleven good footballers.
7,902.57 kilometres (4,910.44 miles)
This was a bit difficult to find out because the internet-maps I tried did not manage to calculate this, but when I compared the distance with other places I know, I would guess it's about 750km (466...