By Plane: Baltimore/Washington International Airport (BWI) is 20 minutes driving time to the south of campus. Take a taxi from the airport and ask to be driven to the Homewood campus of Johns Hopkins on North Charles Street, not the hospital. By Train: Baltimore's Penn Station is 10 minutes driving time to the south of campus. Take a taxi from the station and ask to be driven to the Homewood campus of Johns Hopkins on North Charles Street, not the hospital. By Bus: The bus station is located in downtown Baltimore. Take a taxi from the station and ask to be driven to the Homewood campus of Johns Hopkins on North Charles Street, not the hospital.