The terminals are close together at the centre of the airport site. Exit the M4 (junction 4) or M25 (junction 15) and follow signs for Heathrow Terminals 2 and 3.

The terminal is in the southern part of the airport site and has a separate entrance. Exit the M25 at junction 14 and follow signs for Heathrow Terminal 4. If you're coming from the M4, leave at junction 4b and follow the M25 south to junction 14.

The terminal is on the Western Perimeter Road and has its own separate access road, reached from junction 14 of the M25. If you're coming from the M4, exit at junction 4b and follow the M25 south to junction 14.

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