- Where is Borromeo located?
- Borromeo is in Napa Valley, United States (Northern California, approximately 50 miles north of San Francisco, Visit Napa Valley, +3, If this is a specific vineyard, winery, or private address, you may want to check local listings or verify the spelling., Visit Napa Valley Wineries, Hotels, Restaurants, Tours & Events, Napa Valley wine country is located in Northern California, 50 miles northeast of San Francisco, which makes it a short drive from..., Visit Napa Valley, Where is Napa, CA, USA on Map Lat Long Coordinates).