I think that's practical. Especially if the time is one way. You know your limitations. Don't put all your eggs in one basket. Dating sites can be an option in your arsenal.
When I've engaged with men outside of my vicinity I settle the residence question quickly. I ask who's moving, discuss visits, time frames, and travel expenses. I'm practical.
I've witnessed numerous instances where it wasn't discussed and down the line (when feelings are greater) they discover relocation isn't possible or their resources won't accommodate meeting more than a couple of times per year. Evenly quarterly is too long in my opinion.
Long distance relationships rely on coping skills. You don't have the benefit of locality and must be able to withstand absence. Some can handle it more than most and others don't want to do it. That's fine.
I had geographical limitations and acknowledged them. I wouldn't relocate outside of the east coast. There's only two places I'm willing to move realistically. Admitting it is best.
You may want to include a statement regarding distance or keep your options open. You could encounter someone who compels you to compromise.