Hurricanes can vary dramatically in size, and it's my understanding that there is not any meaningful correlation between storm size and storm strength. For instance, last week's Category 4 Cyclone Favio, which caused serious damage to Mozambique, was a relatively small storm, as can be seen in this image (with Favio located in the southern Mozambique Channel):
But now look at the latest Meteo France satellite image of the Southwest Indian Ocean, showing the same area as before, but with a huge Cyclone Gamede (945 millibar central pressure, a strong Category 2) in the middle of it. Technically, this storm is still at sea; but practically speaking, because it's so big, its various rainbands are already affecting Mauritius, La Reunion, and mainland Madagascar:
As you can see by comparing the two images above, Gamede is massively larger than Favio was. Just eyeballing it suggests to me that several Favios could ...