By plane
The most convenient airports for Coimbra are in order of distance:
Francisco Sa Carneiro Airport (http://www.ana.pt) - Porto
Portela Airport (http://www.ana.pt) - Lisbon
By train
All of the trains connecting Porto and Lisbon stop at Coimbra- B; about 1h00 from Porto and about 1h 45m from Lisbon.Long distance services only serve Coimbra B station away from city center but all tickets include a 5 min train ride to Coimbra A center of Coimbra"Baixa de Coimbra"{downtown}.Fast train only stop at Coimbra-B station, while Coimbra, or Coimbra-A is right in the city center.Train times from any location can be found on the National Rail - CP (http://www.cp.pt)
By bus
The bus station is located at Av. Fernão de Magalhães and is easily reached by local bus or on foot a long walk{10 minutes} to city center. It has destinations for all of Portugal with changes for some far away destinations, and it's faster and fares are normally cheaper than the train.
Coimbra is hard city to drive in as it was built around medieval structures. The best option for visiting Coimbra is to find a hotel with parking or to park near the city center and then walk around. The main attractions are in the city center and within walking distance of each other.Driving not advised in the city center, unless familiar. Also, parking is difficult.Coimbra Baixa is the lower{downtown}; Alta is the highest part of the city, also difficult to drive.