How far is Narita Airport from Haneda Airport and what are the transportation options available between the two airports?

Narita Airport is about 60 kilometers (37 miles) away from Haneda Airport. The transportation options between the two airports include taking a direct bus, train, or taxi. The most convenient and fastest option is the direct bus service, which takes around 1.5 to 2 hours depending on traffic conditions. Trains are also available but may require transfers and take longer. Taxis are the most expensive option but provide a direct and convenient door-to-door service.