International Airport Connectivity (18/30): Tartu lacks a commercial international airport, relying on Tallinn Airport (TLL) located 185km away, requiring 2-2.5 hours ground transportation via Lux Express buses. Tallinn Airport provides direct flights to major European cities (Helsinki, Stockholm, Copenhagen, Frankfurt, Amsterdam) through airlines including Lufthansa, airBaltic, Finnair, and Ryanair. Intercontinental visitors require one European hub connection. Alternative access via Riga International Airport (250km away) offers additional routing options. The significant distance and required ground transfer substantially limits convenience for international business travelers. Domestic Airport and Rail Connectivity (18/25): Tartu Airport (TAY) serves only as a regional facility with limited scheduled domestic service. Rail connectivity is strong with regular Elron electric trains to Tallinn (2-2.5 hours, multiple daily departures), providing reliable business travel options. The centrally-located train station offers convenient access to the city center and business venues. Given Estonia's compact size, ground transportation effectively connects Tartu to other destinations via well-maintained highways and efficient bus services. The E263 highway provides excellent road connectivity. Public Transportation Systems (20/25): Tartu operates an extensive bus network with approximately 20 routes managed by GoBus, connecting city center, residential areas, university campus, and business districts. Buses run regularly from early morning to late evening with reduced weekend schedules. Multiple ticketing options available including driver purchase, kiosks, and mobile applications. The compact, walkable city center (2km radius) reduces public transit dependency. No metro or tram systems exist, appropriate for the city's manageable size. The system is reliable and efficient for event attendee navigation. Alternative Transportation Options (12/20): Strong alternative options include Bolt (widely used Baltic ride-hailing app), Uber, and traditional taxi services available via street hailing or phone booking. Bike-sharing systems operate during warmer months with multiple providers throughout the city center. Electric scooter rentals available through app-based services. Private car services and minivan rentals available for groups. The highly walkable city center with pedestrian-priority zones, wide pavements, tactile paving, and flat terrain enables comfortable foot navigation between venues. Winter weather reduces cycling practicality, increasing reliance on motorized options. Total Score: 68/100 - Tartu demonstrates adequate connectivity for business events with particular strengths in local mobility and rail connections to Tallinn, but faces significant limitations due to the absence of direct international airport access, requiring substantial ground transfers that add 2-2.5 hours to international travel itineraries.