I cam across this blog about polyamory, which has some insights to share aobut long distance, especially long distance where people would really PREFER to be closer (some oddballs don't).
Their advice:
Try to find the relationship's "want to"-level.
Do some projets together.
And send each other selfies!

That shouldn't be too hard, right?

https://www.morethantwo.com/blog/201...-relationships