How long? So I found a donor I would love to use the only thing is she's 4 hours away from the…

How long?

So I found a donor I would love to use the only thing is she's 4 hours away from the doctor I think she would need to go to, mine. Do you all know how long she would need to stay there? We have to pay for travel, so I plan on calling to get more info, but wanted to know if you all knew.