Sentence or Question? Sentence, yes, it is the correct usage. Question, no, probably not correct.

It's correct, but I'd be inclined to change the order slightly. I'd prefer "May this distance be only temporary," but that's just me.

Blue Lou is also correct. If you were using it as a question it would be better to ask, "Might this distance be only temporary?" But I don't think you intended it that … Read more