say captain america was close to dying and prayed to thor or something like that could mjolnir be sent to him in his time of need since he was able to lift it or is that not possible
Cap is worthy to wield Mjolnir and actually did in Fear Itself when his shield was shattered by the Serpent and Thor was using some super special sword so he might be a bad example. The determining factor for if someone can use Mjolnir is if Odin deems them worthy, not Thor.
Edit: Or are you just asking if Thor could teleport Mjolnir? I see no reason why he couldn't.