how far is union station from ohare airport
O'Hare Transfer station O'Hare Transfer is a commuter railroad station along Metra's North Central Service that serves Chicago's O'Hare International Airport. The station is 18.6 miles (29.9 km) away from Union Station, the southern terminus of the line.[1] The station is located at the dead end of Zemke Boulevard east of Mannheim Road (US 12/US 45) outside the northeast corner of Economy Parking Lot F.