I would love to have my family living close by and I do envy people who are 'Sunday lunch' distance apart. But, we have to love our children and let them go.
My son moved to Canada, married a lovely Canadian girl and now lives in Seattle. We visit once a year so that they don't have to use up all their scant holidays visiting us. When long haul gets too much for us, they will have to come and see us - I hope!
My daughter moved to London, married and now has two gorgeous children. House prices being what they are there, we can't afford to move close to them and their house is tiny, so we have to sleep on the sofa when we visit. Even with the 'granny card' on the train, it is expensive to visit and if we drive there is nowhere to park. Their work is quite London specific, but I do dream that they might up sticks and move somewhere affordable so we could live a day to day relationship rather than always having to stay with each other.
I must admit that I would be very tempted to emigrate with them, if I were you! And, if they move again, go with them. You can make a home anywhere!!