WeRoad, the Milan-based group travel startup, has raised a $58 million Series C round led by Airbnb as it prepares for its first major expansion outside Europe. The funding brings the company’s total capital raised to roughly $100 million and will finance WeRoad’s push into the U.S., beginning with Austin. The new investment reflects a bet that the next generation of travel companies may look less like booking platforms and more like social platforms designed to facilitate real-world connections.  The U.S. launch also arrives as loneliness, particularly among younger consumers, has become both a public health concern and an emerging business opportunity. When much of the tech industry remains focused on AI, WeRoad is positioning itself as part of the growing “IRL economy,” a category of startups monetizing offline interaction rather than screen time. Companies like Timeleft, 222, and Pie are pursuing similar ideas through dinners, clubs, events, and community-based experiences. The idea behind WeRoad came from the founders—Paolo De Nadai, Fabio Bin, and Erika De Santi— seeking connection themselves.  “It started from a very …