However , the airport is about 20 km ( 12 mi ) by road .
Liverpool John Lennon Airport , approximately 6 km ( 3.7 mi ) across the Mersey Estuary , is visible from Bromborough .
The airport is about 20 km ( 12 mi ) by road .
Liverpool John Lennon Airport , approximately 6 km ( 3.7 mi ) across the Mersey Estuary , is visible from Bromborough .