When is the right time to ask for intentions?

I've started dating someone recently, but we don't live in the same country. We have spend the night together, but our communication is mostly done over the phone because of the distance.
Right now I am unsure whether he wants to continue dating me or just keep contact platonically, even though he has expressed wanting me to come visit him again.
I want to ask him about his intentions and see if we're on the same page - but I wonder if one date is too early for that.
What do you think?
When is the right time to ask for intentions?
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