From Madrid bus to Viseu then bus to Coimbra. 7hrs 08min 59€. From Sol line 1 Metro to Madrid-Chamartin then train to Coimbra-B. 33hrs 21min 49€. From Madrid drive to Coimbra. 5hrs 45min 91€. From Recoletos train to Madrid airport, fly to Porto airport, Metro to Porto(Campanha), then train to Coimbra. 5hrs 31min 99€. From Recoletos train to Madrid airport, fly to Lisbon airport, Metro to Lisboa Oriente, then train to Coimbra. 6hrs 04min 99€.