I was working on an app as a side project similar to this. Basically each traveler would fill out a form saying I live in X and I have access to car/train/etc. transportation. The idea was to match people and then find a central location for remote teams to meet up. For example, 2 people live in Chicago, 3 in NYC, and one in SF. Where is the best city to meet up; however, I was optimizing on cost.

It turns out several people on HN had similar ideas (Villagers app was one but it seems to be offline now https://news.ycombinator.com/item?id=33344734). I stopped working on it after reading this HN thread where several people linked to various articles like https://blog.garrytan.com/travel-planning-software-the-most-....