Colombia covers 1,139,434 km² km² on the new Equal Earth world map — 0.9%% of all land on Earth, making it the 26th largest country in the world and the 4th largest in South America. At 4° latitude Mercator only inflates Colombia by about 0%%, so the old and new maps largely agree on it — unlike the far north, where Mercator's stretch is dramatic.
For scale: Colombia is roughly the same size as Ethiopia (1,131,761 km² km²).
You could fit 3 of Japan inside Colombia.