There is a car that is actually larger... Nissan Sylphy 1.5! I was very impressed when I checked it out before getting my Latio Sports.
But if you are looking at other brands, what comes to mind is as mentioned above, Hyundai Avante, i30, Kia Cerato, etc. So far, for rear legroom, I find the Nissan Latio Sports Premium the best because after you push the rear seats all the way towards the boot (at the expense of losing boot space of course), it is super roomy. In fact, a review I read compare the rear legroom with a Toyota Camry and that is very impressive.
Looking at the design of the Latio and Sylphy, it is indeed interesting to note how Nissan managed to efficiently design the interior space such that it is 'larger' than the visual size of the car.