Kerosene is available in most countries in the world. It is an energetic fuel that will give good output to your stove. It is not as volatile and flammable as gasoline. Consequently, kerosene is a little bit less dangerous to handle than gasoline. On the other hand, kerosene requires longer and more thourough priming than gasoline in order to vaporize.
White gasoline is generally a clean and energetic fuel suitable for use in liquid fuel stoves.
Availability is good in North America. In Europe and other parts of the world, availability varies. Usually, you can find white gasoline in Outdoor shops. An alternative to white gasoline is heptane which usually can be found in paint shops, hardware stores and similar. If it is too crude, it will not vaporize properly in a stove.