Well, honey, in 1860, rabbits didn't have real estate agents to keep track of their land grabs. So, I can't give you an exact number of square miles those fluffy hooligans took over. But I can tell you that rabbits are pretty good at multiplying like, well, rabbits, so I'm sure they found a cozy spot to call their own.
There were 30,626 miles of railroad in 1860 according to Wikipedia.
1860 miles
1860 miles
50,000 miles
Almost 31,000 miles.
260,558 square miles
Madagascar is approximately 226,917 square miles in size.
India - 1,269,210 square miles.1,269,219 square miles.
... like you said... its 149417483 square miles...
364,764 square miles.
58.4 square miles.
0.015625 square miles.