How far is Gatwick Airport from Heathrow?

By Coach

Heathrow – Gatwick

The National Express 700 runs every 15-20 minutes in the morning, from outside Terminals 1, 3 and 4. It takes approximately 70 minutes to Gatwick's North and South Terminals. The cost is £17.50. After 12:00 the service operates every 30 minutes until 22:30. Tickets can be purchased at the Bus and Coach information desks located in Terminals 1, 3 and 4 or on the bus itself; subject to availability. The coaches pick up at the arrivals level of Terminals 1, 3 and 4 and set down at the departures level. For Terminal 2, coaches pick up and set down at the departures level.

National Express coaches 707, 717, 727 and 797 also operate half hourly to Gatwick and the journey takes approximately 70 minutes. Coaches run from the central bus station at Heathrow for Terminals 1, 2 and 3 and from outside Terminal 4 arrivals. They set down outside Gatwick North and South Terminals. Adult fares are £17.50 single. Tickets can be purchased from the travel centre at the central bus station or from the Bus and Coach information desk on the forecourt of Terminal 4 arrivals.

By Train

Heathrow – Gatwick

The Gatwick Express departs every 15 minutes from London Victoria station and takes just 30 minutes to Gatwick South Terminal. Passengers requiring the North Terminal should take the free transit between terminals, which is just upstairs from the train platforms. Gatwick Express trains, from the airport to Victoria station, also depart at 15 minute intervals and have a journey time of 30 minutes.

The Heathrow Express departs from Paddington and the airport stations (Terminals 1, 2 and 3 and Terminal 4) every 15 minutes, with a journey time of 15 minutes. Heathrow Connect services operate between the same stations, but run half hourly and are a slower, stopping service. Passengers can also travel to and from Heathrow Airport and the centre of London on the Piccadilly line tube. Passengers can travel between Victoria and Paddington stations by bus, tube or taxi.

http://www.heathrowexpress.com/index.asp?SID={3EE7...

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RE:

How far is Gatwick Airport from Heathrow?

About a half hour by the train that takes you from Gatwick to Heathrow directly.

Depending on what mode of transportation you use-it is less then an hour.