Yes you can, but for only short distances. You'll overheat rapidly (no water pump,) and you'll run out of battery fairly quickly (no alternator.)
Fortunately, you will probably not want to drive it too far anyhow (no power steering!) but you'll at least be able to get somewhere safer than where you were, if it comes to that.
I tend to keep "take-off" belts along with my basic kit, and the tools to change/install them. They fit in the largish box I've got that also has jumper cables, spare light bulbs, spare fuzes, a small quantity of spare fluids, ...
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