South Africa is about 9,831 times bigger than Boston.

Boston is approximately 124 sq km, while South Africa is approximately 1,219,090 sq km, making South Africa 983,037% larger than Boston.
Tip: This to-scale comparison of Boston vs. South Africa uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.