Democratic Republic of the Congo dwarfs Russia: about 2,334,703 km² km² against 16,879,701 km² km². At true size Democratic Republic of the Congo is about 7.2× larger — the whole of Russia fits into Democratic Republic of the Congo roughly 7 times.
Democratic Republic of the Congo sits in Africa, Russia in Europe. On the old Mercator map the latitude gap distorted how large each felt beside the other; at true size the answer is simply 7.2×.
The old map muddied it further: Mercator inflates Democratic Republic of the Congo about 1× and Russia about 6.1×, so on a Mercator-style map this pair appears 43.8× apart instead of the true 7.2×.
Democratic Republic of the Congo fits 7× into Russia.