San Francisco achieves an outstanding connectivity score of 92/100 for business travelers. International Airport Connectivity (30%): Score 28/30. SFO is one of the largest and most well-connected airports in the United States, offering direct flights to over 50 international destinations across Europe (London, Paris, Frankfurt), Asia (Tokyo, Hong Kong, Singapore), Latin America (Mexico City), and Oceania (Sydney). As a major United Airlines hub and key gateway to the Asia-Pacific region, SFO provides exceptional frequency and route diversity. Modern customs facilities, efficient operations, and under 30-minute travel time to downtown via BART demonstrate outstanding airport quality. Supplementary access through Oakland (OAK) and San Jose (SJC) airports further enhances regional connectivity. Domestic Airport and Rail Connectivity (25%): Score 24/25. SFO provides extensive domestic connectivity to virtually every major U.S. city through all major carriers. The integrated rail network is exceptional: BART connects SFO directly to downtown in 30 minutes and extends throughout the Bay Area; Caltrain links San Francisco to Silicon Valley hubs (Palo Alto, Mountain View, San Jose); Amtrak services connect to Sacramento, Los Angeles, Seattle, and Portland via Emeryville station. The Salesforce Transit Center consolidates regional rail services downtown, with major stations (Powell, Montgomery, Embarcadero) within walking distance of business venues. Public Transportation Systems (25%): Score 22/25. San Francisco offers comprehensive public transit through Muni (streetcars, light rail Metro, buses, iconic cable cars), BART regional rail, Caltrain commuter service, AC Transit and SamTrans bus networks, and Golden Gate/SF Bay Ferry waterfront connections. The integrated Clipper Card works across all major systems, providing seamless navigation. Well-maintained infrastructure with ADA compliance supports accessibility, though the city's famous hills present some pedestrian challenges in certain neighborhoods. Alternative Transportation Options (20%): Score 18/20. Ubiquitous Uber and Lyft services provide 24/7 ride-sharing. Traditional taxis remain readily available near hotels and business districts. Bay Wheels bike-sharing features hundreds of docking stations citywide. Electric scooter rentals (Lime, Spin) offer last-mile connectivity. Water taxis and ferry services provide scenic alternatives. Pedicabs operate in tourist areas. The compact downtown core enables easy walking between venues, hotels, and attractions, with most major business areas within comfortable distance.